[llvm] [AMDGPU] Classify generic-target features (PR #223179)

[Max Kudryavtsev via llvm-commits]

max-ku wrote:

Hi @chinmaydd , would you mind taking a look at buildbot failure posted above related to this PR? We repro it locally 100%.

>Timed Out Tests (1):
  LLVM :: TableGen/AMDGPUTargetDefGenericClassification.td

https://github.com/llvm/llvm-project/pull/223179