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

[Simon Pilgrim via llvm-commits]

https://github.com/RKSimon commented:

Don't the vpdpwss intrinsics need fixing to use vXi16 types as well?

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