[llvm] [X86][MC] Add alias for `{evex} cmp` and `{evex} test`. (PR #99277)

[Shengchen Kan via llvm-commits]

https://github.com/KanRobert requested changes to this pull request.

See https://github.com/llvm/llvm-project/pull/99277/files#r1690915529

https://github.com/llvm/llvm-project/pull/99277