Update signature check

[Giuseppe5]

brevitas/src/brevitas/nn/equalized_layer.py

Line 19 in 2004568

bound_arguments = signature(self.layer.forward).bind(*args, **kwargs)

Has to be done similarly to:

brevitas/src/brevitas/graph/equalize.py

Line 639 in 2004568

forward_to_check = module._old_forward if hasattr(