Enable SeparableConv2d
This PR enables SeparableConv2D and adds a simple test, however, it'd be useful to discuss further what features we want to support/add (currently it seems the implementation is bit brittle)
@nickshey
This PR enables SeparableConv2D and adds a simple test, however, it'd be useful to discuss further what features we want to support/add (currently it seems the implementation is bit brittle)
@nickshey