[microNPU] Re-enable LayoutOptimizer pass (apache#9793)

* [microNPU] Re-enable LayoutOptimizer pass

It looks like in apache#9597 the LayoutOptimizer pass was accidentally removed.
Probably due to a race condition in PR's. Re-enabling this feature.

Change-Id: I4fc16a440f90277c5fcd887715166332af052c6b

* change pass ordering

Change-Id: I6e7a22f46660029bbf4be3deb2be929cecf5d365

Co-authored-by: lukhut01 (generated by with_the_same_user script) <lukhut01@e127400.cambridge.arm.com>

python/tvm/relay/backend/contrib/ethosu/codegen.py

@@ -295,6 +295,7 @@ def relay_to_tir_func(ext_func: relay.Function) -> tvm.tir.PrimFunc:
     mod["main"] = ext_func
     mod = LegalizeEthosU()(mod)
     mod = LUTsOptimizer()(mod)
+    mod = LayoutOptimizer()(mod)
     mod = relay.transform.InferType()(mod)
     # We are currently using copy_constants scheduler In the long run,
     # this should be a single intelligent and a composite scheduler