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This will also annotate the function with the block size so the compiler can do a better job of optimizing.

Enable retrieving the code object to do tuning in the future.

optimize the softmax operator

* Remove unused headers

* Add softmax kernel

Updated each source file in the repo with the existing license.

Remove std references in runtime compilation since these are not available when using hiprtc and the headers may not be available on the system

Add ref and gpu implementations for ONNX op GatherND

Resolves #1032