[AArch64][Clang] Update predication of SVE2-AES/PMULL Pair Intrinsics and add Test Coverage (#153825)
This patch updates the predication guards for SVE2 AES and PMULL Pair
intrinsics to support execution in streaming mode.
- Updated tablegen (arm_sve.td)
- Updated existing Sema tests' diagnostics to reflect updated guard
- Updated runlines of acle_sve2_pmullb_128.c, acle_sve2_pmullt_128.c,
sve2-intrinsics-polynomial-arithmetic-128.ll, acle_sve2_aesimc.c,
acle_sve2_aesd.c, acle_sve2_aese.c and acle_sve2_aesmc.c to reflect
streaming.