[MLIR][ROCDL] Add Scale Convert Packed FP4 <-> F32/BF16/F16 Support for GFX950#140676

tgymnich wants to merge 2 commits intollvm:mainllvm/llvm-project:mainfrom

tgymnich:tim/rocdl-fp4tgymnich/llvm-project:tim/rocdl-fp4Copy head branch name to clipboard