ArmPkg/CompilerIntrinsicsLib: Add memcmp, memmove intrinsics for MSFT

We could have reused memmove.asm for ARM, but we would still need to add
an implemention for ARM64, so we use the same source for both archs.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Signed-off-by: Pete Batard <pete@akeo.ie>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf

@@ -26,6 +26,8 @@
 
   memcpy_ms.c          | MSFT
   memset_ms.c          | MSFT
+  memcmp_ms.c          | MSFT
+  memmove_ms.c         | MSFT
 
 [Sources.ARM]
   Arm/mullu.asm        | RVCT