[clang] [llvm] [x86][AVX-VNNI] Fix VPDPBUSD Argument Types (PR #155194)

[Simon Pilgrim via llvm-commits]

RKSimon wrote:

> Should I separate other intrinsic into a few MRs (maybe 2) to keep the size of each manageable?

I'm happy for you to split the patches if it helps

https://github.com/llvm/llvm-project/pull/155194