[clang] [clang][x86][bytecode] Refactor BMI intrinsic wrappers to use interp__builtin_elementwise_int_binop (PR #160362)

[Simon Pilgrim via cfe-commits]

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

Please update against top of trunk

Do we need  the new test file? All the BMI/BMI2/TBM builtin constexpr tests are all tested in bytecode as part of #155814

https://github.com/llvm/llvm-project/pull/160362