build/vhd2v_converter: Always do params -> constants translation.

Useful when instance is done in the code but params are just passed to VHD2VConverter.

litex/build/vhd2v_converter.py

@@ -122,14 +122,11 @@ class VHD2VConverter(Module):
 
             ip_params = dict()
             generics = []
-            if self._add_instance:
             for k, v in self._params.items():
                 if k.startswith("p_"):
                     ys.append("-g" + k[2:] + "=" + str(v) + " \\")
                 else:
                     ip_params[k] = v
-            else:
-                ip_params = self._params
 
             from litex.build import tools
             import subprocess