Add canonicalization pass for torch import (iree-org#18150)

It is possible for post decomposition that there will be available
canonicalizations. Added the pass to support the cleanup.

compiler/plugins/input/Torch/InputConversion/Passes.cpp

@@ -50,6 +50,7 @@ void createTorchToIREEPipeline(
   pm.addNestedPass<func::FuncOp>(
       torch::Torch::createDecomposeComplexOpsPass(emptyArrayRef));
   pm.addNestedPass<func::FuncOp>(torch::Torch::createFuseQuantizedOpsPass());
+  pm.addNestedPass<func::FuncOp>(createCanonicalizerPass());
   pm.addNestedPass<func::FuncOp>(torch::Torch::createScalarizeShapesPass());
   pm.addNestedPass<func::FuncOp>(torch::createConvertTorchToTMTensorPass());
   pm.addNestedPass<func::FuncOp>(