[mlir][linalg] Add transform operator for Winograd Conv2D algorithm#96177

Hsiangkai wants to merge 2 commits intollvm:users/hsiangkai/winograd-opsllvm/llvm-project:users/hsiangkai/winograd-opsfrom

Hsiangkai:users/hsiangkai/winograd-ops-transformHsiangkai/llvm-project:users/hsiangkai/winograd-ops-transformCopy head branch name to clipboard