[clang] [X86] Allow AVX512 masked bitlogic intrinsics to be used in constexpr (PR #161544)

[Simon Pilgrim via cfe-commits]

RKSimon wrote:

These should already exist in the builtins file corresponding to the correct avx512 ISA, although some might be missing. 

https://github.com/llvm/llvm-project/pull/161544