[MLIR] [AMDGPU] refactor how we handle target features

[dhernandez0]

Currently, we hardcode hardware features in the code (see

llvm-project/mlir/lib/Dialect/AMDGPU/Transforms/EmulateAtomics.cpp

Line 173 in 15c49b9

if (chipset.majorVersion == 11) {

). We want to implement a better way of handling subtarget features. See this PR for discussion about possible implementations: #129029

[llvmbot]

@llvm/issue-subscribers-mlir

Author: Daniel Hernandez-Juarez (dhernandez0)

Currently, we hardcode hardware features in the code (see https://github.com/llvm/llvm-project/blob/15c49b9db3f60bdbd320271d5e97f118c00b95dd/mlir/lib/Dialect/AMDGPU/Transforms/EmulateAtomics.cpp#L173). We want to implement a better way of handling subtarget features. See this PR for discussion about possible implementations: https://github.com//pull/129029