[llvm] [mlir] Fix CMake dependencies on mlir-linalg-ods-yaml-gen (PR #111973)

[Thomas Preud'homme via llvm-commits]

RoboTux wrote:

I've respinned the PR to make cache variable regular variable instead in https://github.com/llvm/llvm-project/pull/112224

https://github.com/llvm/llvm-project/pull/111973