[llvm] [mlir] [mlir] Add Normalize pass (PR #162266)

[Jacques Pienaar via llvm-commits]

================

----------------
jpienaar wrote:

Just +1 to Alex's point that this isn't a Conversion in MLIR terminology (https://mlir.llvm.org/getting_started/Glossary/#conversion). Transforms could be better spot, although I was indeed also wondering if in Tools directory wouldn't be better as it is rather specific when one runs this.

https://github.com/llvm/llvm-project/pull/162266