[clang] [llvm] [AArch64] Enable svcompact intrinsic in streaming mode with SME2.2 (PR #151703)

[Paul Walker via llvm-commits]

https://github.com/paulwalker-arm commented:

Can you confirm you're intentionally ignoring the byte and halfword variants of compact that are also available with +sme2p2? This works for me, I just want to make sure I'm reviewing the PR properly.

https://github.com/llvm/llvm-project/pull/151703