Add hash method for UserEnumMemberContainer. (#239)

Author: nachumg

systemrdl/rdltypes/user_enum.py

@@ -26,6 +26,8 @@ def __init__(self, name: str, value: int, rdl_name: Optional[str] = None, rdl_de
         self.rdl_name = rdl_name
         self.rdl_desc = rdl_desc
 
+    def __hash__(self) -> int:
+        return hash((self.name, self.value, self.rdl_name, self.rdl_desc))
 
 class UserEnumMeta(type):
     """