[Marvell] Update armhf sai debian (#17301)

Why I did it
Fixed the issue - Some special IPv6 packets cannot be dropped by dataplane ACL rule

Work item tracking
Microsoft ADO (number only):
No
How I did it
How to verify it
Loaded SAI debian (in syncd docker) and re-run the failed cases.

Author: wadoodkhan

platform/marvell-armhf/sai.mk

@@ -1,6 +1,6 @@
 # Marvell SAI
 
-export MRVL_SAI_VERSION = 1.12.0-1
+export MRVL_SAI_VERSION = 1.12.0-2
 export MRVL_SAI = mrvllibsai_$(MRVL_SAI_VERSION)_$(PLATFORM_ARCH).deb
 
 $(MRVL_SAI)_SRC_PATH = $(PLATFORM_PATH)/sai