Fixing hwintrinsicArm64 to return nullptr for the Base_As intrinsics if featureSimd is false (#22831)
Fixing hwintrinsicArm64 to return nullptr for the Base_As intrinsics if featureSimd is false (#22831)


krk/coreclr,mmitche/coreclr,mmitche/coreclr,mmitche/coreclr,wtgodbe/coreclr,cshung/coreclr,wtgodbe/coreclr,poizan42/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,cshung/coreclr,wtgodbe/coreclr,mmitche/coreclr,mmitche/coreclr,mmitche/coreclr,cshung/coreclr,krk/coreclr,krk/coreclr,cshung/coreclr,poizan42/coreclr,poizan42/coreclr,krk/coreclr,wtgodbe/coreclr,cshung/coreclr,poizan42/coreclr,poizan42/coreclr,cshung/coreclr,krk/coreclr,poizan42/coreclr,krk/coreclr