[ipgen] Return empty dict when uniquified_modules not defined

When rendering an out-of-tree IP with ipgen, the uniquified_modules
might not be defined in the IP description. Return an empty dict
when this is not defined to not error out.

Signed-off-by: Robert Schilling <[email protected]>

Author: Razer6

util/ipgen/renderer.py

@@ -103,7 +103,7 @@ def get_uniquified_name(self, name: str) -> str:
         return self.ip_config.param_values["uniquified_modules"].get(name)
 
     def _replace_uniquified_prefix(self, core_name: str) -> str:
-        uniquified_modules = self.ip_config.param_values["uniquified_modules"]
+        uniquified_modules = self.ip_config.param_values.get("uniquified_modules", {})
         for name, uniq_name in uniquified_modules.items():
             if core_name.startswith(f'{name}_'):
                 return f'{uniq_name}_{core_name[len(name)+1:]}'