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This is a companion PR to
https://github.com/ROCmSoftwarePlatform/rocMLIR/pull/1312 .
The updated commit hash points onto that PR branch, so coordinated
merges are advised.

With the above rocMLIR changes, the MLIR MIGraphX dialect now
represents both the dimensions and strides of tensors inside MLIR,
thus allowing NHWC convolutions to be correctly offloaded.

In this PR, we:
- Remove special handling for the case where non-standard shapes
become input to MLIR modules
- Fold broadcast and multibroadcast operations into the input size od
MLIR modules
- Update tests
- Add an extra TRACE_MLIR print to help debug crashes in the
high-level pipeline

Disable python tests on Python 3.6 temporarily till we remove numpy dependencies from the tests using them.
Different versions of Python are compatible with different versions of numpy, so we need to remove numpy dependency.

Since opset version 18, the Split operator allows splitting into unevenly sized outputs when the split input is not present, and a num_outputs attribute has been introduced.

 Add tracing to benchmark to show which kernels are running and the time of every kernel

Adds workarounds to avoid passing capture ops and scalar literals from quantization as arguments to ck_gemm.