[llvm] [X86] Enable custom lowering of 256/512-bit vXi32 and vXi64 CLMUL nodes (PR #177554)

[Folkert de Vries via llvm-commits]

folkertdev wrote:

I think for that one you need to at least have some `pclmulqdq` already. Currently with the LLVM 22 branch we just get the scalar expansion despite enabling `pclmulqdq`: https://godbolt.org/z/ohjbvKjzb

https://github.com/llvm/llvm-project/pull/177554