[llvm] [LoopIdiomRecognize] Enable clmul optimization for CRC loops (PR #203405)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon approved this pull request.

LGTM, thanks. Kindly wait on Piotr for the final sign-off.

https://github.com/llvm/llvm-project/pull/203405