[clang] [HLSL] Support packoffset attribute in AST (PR #89836)

[Damyan Pepper via cfe-commits]

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

Apologies, it looks like I forgot to submit this review!  Hopefully the comments aren't too out of date.

https://github.com/llvm/llvm-project/pull/89836