EFR: Fix efr lock rpc build

[rgoliver]

Problem

efr32-brd4161a-lock-rpc build is failing to build from insufficient flash.

Change overview

Disable show_qr_code on the RPC variant, as it's not needed.

Testing

Compiled the example.

[github-actions]

PR #21772: Size comparison from a6cdfbb to 1880ec4

Increases (1 build for cyw30739)

platform	target	config	section	a6cdfbb	1880ec4	change	% change
cyw30739	ota-requestor-no-progress-logging	cyw930739m2evb_01	(read/write)	596954	596962	8	0.0
			.app_xip_area	474476	474484	8	0.0

Decreases (4 builds for bl602, telink)

platform	target	config	section	a6cdfbb	1880ec4	change	% change
bl602	lighting-app	bl602	(read/write)	1379962	1379954	-8	-0.0
			.text	1048136	1048132	-4	-0.0
		bl602+rpc	.text	1079636	1079632	-4	-0.0
telink	light-switch-app	tlsr9518adk80d	text	569826	569822	-4	-0.0
	lighting-app	tlsr9518adk80d	(read/write)	827928	827920	-8	-0.0
			text	587800	587796	-4	-0.0

Full report (32 builds for bl602, cc13x2_26x2, cyw30739, efr32, esp32, k32w, linux, mbed, nrfconnect, p6, telink)

platform	target	config	section	a6cdfbb	1880ec4	change	% change
bl602	lighting-app	bl602	(read/write)	1379962	1379954	-8	-0.0
			.bss	119746	119746	0	0.0
			.data	4480	4480	0	0.0
			.text	1048136	1048132	-4	-0.0
		bl602+rpc	(read/write)	1425210	1425210	0	0.0
			.bss	127186	127186	0	0.0
			.data	4600	4600	0	0.0
			.text	1079636	1079632	-4	-0.0
cc13x2_26x2	all-clusters-app	LP_CC2652R7	(read only)	670927	670927	0	0.0
			(read/write)	180456	180456	0	0.0
			.bss	74276	74276	0	0.0
			.data	3372	3372	0	0.0
			.rodata	88471	88471	0	0.0
			.text	582140	582140	0	0.0
	all-clusters-minimal-app	LP_CC2652R7	(read only)	636471	636471	0	0.0
			(read/write)	157844	157844	0	0.0
			.bss	73556	73556	0	0.0
			.data	3372	3372	0	0.0
			.rodata	77727	77727	0	0.0
			.text	558420	558420	0	0.0
	lock-ftd	LP_CC2652R7	(read only)	672787	672787	0	0.0
			(read/write)	168780	168780	0	0.0
			.bss	71348	71348	0	0.0
			.data	3296	3296	0	0.0
			.rodata	76411	76411	0	0.0
			.text	595896	595896	0	0.0
	lock-mtd	LP_CC2652R7	(read only)	655395	655395	0	0.0
			(read/write)	181860	181860	0	0.0
			.bss	67036	67036	0	0.0
			.data	3296	3296	0	0.0
			.rodata	101363	101363	0	0.0
			.text	553552	553552	0	0.0
	pump-app	LP_CC2652R7	(read only)	683019	683019	0	0.0
			(read/write)	159356	159356	0	0.0
			.bss	71388	71388	0	0.0
			.data	3296	3296	0	0.0
			.rodata	89315	89315	0	0.0
			.text	593220	593220	0	0.0
	pump-controller-app	LP_CC2652R7	(read only)	667487	667487	0	0.0
			(read/write)	175024	175024	0	0.0
			.bss	71524	71524	0	0.0
			.data	3292	3292	0	0.0
			.rodata	84863	84863	0	0.0
			.text	582144	582144	0	0.0
	shell	LP_CC2652R7	(read only)	663610	663610	0	0.0
			(read/write)	183292	183292	0	0.0
			.bss	76596	76596	0	0.0
			.data	3376	3376	0	0.0
			.rodata	85418	85418	0	0.0
			.text	577876	577876	0	0.0
cyw30739	light	cyw930739m2evb_01	(read/write)	584646	584646	0	0.0
			.app_xip_area	461448	461448	0	0.0
			.bss	65640	65640	0	0.0
			.data	744	744	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
	lock	cyw930739m2evb_01	(read/write)	590582	590582	0	0.0
			.app_xip_area	462600	462600	0	0.0
			.bss	70424	70424	0	0.0
			.data	748	748	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
	ota-requestor-no-progress-logging	cyw930739m2evb_01	(read/write)	596954	596962	8	0.0
			.app_xip_area	474476	474484	8	0.0
			.bss	64952	64952	0	0.0
			.data	716	716	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
efr32	lighting-app	BRD4161A	(read/write)	1096372	1096372	0	0.0
			.bss	132844	132844	0	0.0
			.data	2068	2068	0	0.0
			.text	961436	961436	0	0.0
	window-app	BRD4161A	(read/write)	1088104	1088104	0	0.0
			.bss	134292	134292	0	0.0
			.data	2096	2096	0	0.0
			.text	951696	951696	0	0.0
	lighting-app	BRD4161A+rpc	(read/write)	1150636	1150636	0	0.0
			.bss	149532	149532	0	0.0
			.data	2280	2280	0	0.0
			.text	998804	998804	0	0.0
		BRD4161A+rs911x	(read/write)	985908	985908	0	0.0
			.bss	162184	162184	0	0.0
			.data	2056	2056	0	0.0
			.text	821648	821648	0	0.0
	lock-app	BRD4161A+wf200	(read/write)	1136484	1136484	0	0.0
			.bss	144824	144824	0	0.0
			.data	2064	2064	0	0.0
			.text	989576	989576	0	0.0
esp32	all-clusters-app	c3devkit	(read only)	1026078	1026078	0	0.0
			(read/write)	1487418	1487418	0	0.0
			.dram0.bss	70336	70336	0	0.0
			.dram0.data	14600	14600	0	0.0
			.flash.rodata	217048	217048	0	0.0
			.flash.text	1026078	1026078	0	0.0
			.iram0.text	62902	62902	0	0.0
		m5stack	(read only)	1079367	1079367	0	0.0
			(read/write)	489392	489392	0	0.0
			.dram0.bss	75840	75840	0	0.0
			.dram0.data	34144	34144	0	0.0
			.flash.rodata	247412	247412	0	0.0
			.flash.text	1073983	1073983	0	0.0
			.iram0.text	123267	123267	0	0.0
k32w	light	k32w0+release	(read/write)	643644	643644	0	0.0
			.bss	69712	69712	0	0.0
			.data	2044	2044	0	0.0
			.text	569160	569160	0	0.0
	lock	k32w0+release	(read/write)	701076	701076	0	0.0
			.bss	70184	70184	0	0.0
			.data	2052	2052	0	0.0
			.text	626112	626112	0	0.0
linux	chip-tool-ipv6only	arm64	(read only)	10007084	10007084	0	0.0
			(read/write)	695153	695153	0	0.0
			.bss	32897	32897	0	0.0
			.data	3272	3272	0	0.0
			.data.rel.ro	640360	640360	0	0.0
			.dynamic	560	560	0	0.0
			.got	13656	13656	0	0.0
			.init	24	24	0	0.0
			.init_array	192	192	0	0.0
			.rodata	474124	474124	0	0.0
			.text	7903284	7903284	0	0.0
	thermostat-no-ble	arm64	(read only)	2350956	2350956	0	0.0
			(read/write)	141681	141681	0	0.0
			.bss	55313	55313	0	0.0
			.data	1672	1672	0	0.0
			.data.rel.ro	75880	75880	0	0.0
			.dynamic	560	560	0	0.0
			.got	5040	5040	0	0.0
			.init	24	24	0	0.0
			.init_array	408	408	0	0.0
			.rodata	139716	139716	0	0.0
			.text	1973712	1973712	0	0.0
mbed	lock-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2452720	2452720	0	0.0
			.bss	214556	214556	0	0.0
			.data	5872	5872	0	0.0
			.text	1415364	1415364	0	0.0
nrfconnect	all-clusters-app	nrf52840dk_nrf52840	(read/write)	1177959	1177959	0	0.0
			bss	143222	143222	0	0.0
			rodata	142776	142776	0	0.0
			text	813112	813112	0	0.0
	all-clusters-minimal-app	nrf52840dk_nrf52840	(read/write)	1157983	1157983	0	0.0
			bss	142460	142460	0	0.0
			rodata	134472	134472	0	0.0
			text	802232	802232	0	0.0
p6	all-clusters-app	default	(read only)	881520	881520	0	0.0
			(read/write)	1693812	1693812	0	0.0
			.bss	149168	149168	0	0.0
			.data	2656	2656	0	0.0
			.text	1533600	1533600	0	0.0
	all-clusters-minimal-app	default	(read only)	882240	882240	0	0.0
			(read/write)	1637980	1637980	0	0.0
			.bss	148448	148448	0	0.0
			.data	2656	2656	0	0.0
			.text	1478488	1478488	0	0.0
	light-app	default	(read only)	890560	890560	0	0.0
			(read/write)	1556668	1556668	0	0.0
			.bss	140336	140336	0	0.0
			.data	2448	2448	0	0.0
			.text	1405496	1405496	0	0.0
	lock-app	default	(read only)	886064	886064	0	0.0
			(read/write)	1593980	1593980	0	0.0
			.bss	144816	144816	0	0.0
			.data	2464	2464	0	0.0
			.text	1438312	1438312	0	0.0
telink	light-switch-app	tlsr9518adk80d	(read/write)	806120	806120	0	0.0
			bss	70976	70976	0	0.0
			noinit	43488	43488	0	0.0
			text	569826	569822	-4	-0.0
	lighting-app	tlsr9518adk80d	(read/write)	827928	827920	-8	-0.0
			bss	71820	71820	0	0.0
			noinit	43488	43488	0	0.0
			text	587800	587796	-4	-0.0