[llvm-branch-commits] [SPARC][IAS] Add support for %uhi and %ulo extensions (PR #94246)

[via llvm-branch-commits]

https://github.com/koachan created https://github.com/llvm/llvm-project/pull/94246

This adds support for GNU %uhi and %ulo extensions.
Those resolve to the same relocations as %hh and %hm.