[MLIR][XeGPU] Add distribution for vector.create_mask from Wg to Sg#169571

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

nbpatel:xegpu-wg-sg-create-masknbpatel/llvm-project:xegpu-wg-sg-create-maskCopy head branch name to clipboard