[clang] [X86][AVX10] Permit AVX512 options/features used together with AVX10 (PR #71318)

[Evgenii Kudriashov via cfe-commits]

e-kud wrote:

I'm a little bit confused, What's the expected behavior of `+avx10.1-512 -avx10.1-256` in codegen aspect. Should we generate only instructions in the difference of sets? Or do we consider `avx10.1-256` as a base of `avx10.1-512` and if it is disabled `avx10.1-512` can't be enabled?

https://github.com/llvm/llvm-project/pull/71318