Add new MemorySanitizer test cases for AArch64 (llvm#165094)

Author: mtrofin

llvm/utils/profcheck-xfail.txt

@@ -332,6 +332,10 @@ Instrumentation/MemorySanitizer/AArch64/arm64-vshift.ll
 Instrumentation/MemorySanitizer/AArch64/module-flags-aarch64.ll
 Instrumentation/MemorySanitizer/AArch64/neon_vst_float.ll
 Instrumentation/MemorySanitizer/AArch64/qshrn.ll
+Instrumentation/MemorySanitizer/AArch64/sme-aarch64-svcount-mini.ll
+Instrumentation/MemorySanitizer/AArch64/sme-aarch64-svcount.ll
+Instrumentation/MemorySanitizer/AArch64/sme2-intrinsics-add-mini.ll
+Instrumentation/MemorySanitizer/AArch64/sme2-intrinsics-add.ll
 Instrumentation/MemorySanitizer/AArch64/vararg.ll
 Instrumentation/MemorySanitizer/AArch64/vararg_shadow.ll
 Instrumentation/MemorySanitizer/abs-vector.ll