message: Integrate LLVM at llvm/llvm-project@a5222aa0858a
  Updates LLVM usage to match
  [a5222aa0858a](https://github.com/llvm/llvm-project/commit/a5222aa0858a)
diff: @@ -685,8 +685,8 @@ def tf_repositories(path_prefix = "", tf_repo_name = ""):
  )
  # Check out LLVM and MLIR from llvm-project.
  - LLVM_COMMIT = "2fa4186d4e1c0c5ce05efb4275f94bb7c2538dda"
  - LLVM_SHA256 = "44d53acbed53c73cffd41281e053f86850ad7032ccf3ea68f238a010767b7260"
  + LLVM_COMMIT = "a5222aa0858a42660629c410a5b669dee16a4359"
  + LLVM_SHA256 = "69637e9b10bbe8672a5ab1d329578d4bac18e2c311f00bbcc6e6f8c855578931"
  LLVM_URLS = [
  "https://storage.googleapis.com/mirror.tensorflow.org/github.com/llvm/llvm-project/archive/{commit}.tar.gz".format(commit = LLVM_COMMIT),
  "https://github.com/llvm/llvm-project/archive/{commit}.tar.gz".format(commit = LLVM_COMMIT),
  