[mlir][scf] Return `replacements` explicitly in `SCFTilingResult`.#143217

MaheshRavishankar merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

MaheshRavishankar:users/MaheshRavishankar/splitKMinorRefactorMaheshRavishankar/llvm-project:users/MaheshRavishankar/splitKMinorRefactorCopy head branch name to clipboard