[MLIR] Bumping release tag to rocm-5.4.0 (#1804)
[MLIR] Bumping release tag to rocm-5.4.0 (#1804)


ROCmSoftwarePlatform/MIOpen,ROCmSoftwarePlatform/MIOpen,ROCmSoftwarePlatform/MIOpen,ROCmSoftwarePlatform/MIOpen,ROCmSoftwarePlatform/MIOpen