Generate rust bindings from mlibc headers #3505

Job	Run time
Compile sysdeps (dripos)	2m 20s
Build mlibc (x86_64, mlibc)	2m 30s
Compile sysdeps (lemon)	2m 11s
Build mlibc (x86_64, mlibc-static)	28s
Compile sysdeps (aero)	2m 8s
Build mlibc (x86_64, mlibc-shared)	46s
Compile sysdeps (ironclad)	2m 26s
Build mlibc (x86_64, mlibc-ansi-only)	2m 32s
Compile sysdeps (lyre)	2m 15s
Build mlibc (x86_64, mlibc-headers-only)	1m 49s
Compile sysdeps (keyronex)	2m 12s
Build mlibc (riscv64, mlibc)	2m 44s
Compile sysdeps (managarm)	2m 37s
Build mlibc (riscv64, mlibc-static)	2m 39s
Build mlibc (riscv64, mlibc-shared)	2m 39s
Build mlibc (riscv64, mlibc-ansi-only)	2m 36s
Build mlibc (riscv64, mlibc-headers-only)	1m 50s
Build mlibc (aarch64, mlibc)	2m 43s
Build mlibc (aarch64, mlibc-static)	2m 43s
Build mlibc (aarch64, mlibc-shared)	2m 43s
Build mlibc (aarch64, mlibc-ansi-only)	2m 43s
Build mlibc (aarch64, mlibc-headers-only)	1m 50s
Build mlibc (x86, mlibc)	45s
Build mlibc (x86, mlibc-static)	15s
Build mlibc (x86, mlibc-shared)	23s
Build mlibc (x86, mlibc-ansi-only)	26s
Build mlibc (x86, mlibc-headers-only)	26s
	51m 39s

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