fix AttributeError: Parameter object attribute name is read-only (#957)

Author: Noel215

controller_manager/controller_manager/spawner.py

@@ -219,7 +219,7 @@ def main(args=None):
         else:
             if controller_type:
                 parameter = Parameter()
-                Parameter.name = prefixed_controller_name + ".type"
+                parameter.name = prefixed_controller_name + ".type"
                 parameter.value = get_parameter_value(string_value=controller_type)
 
                 response = call_set_parameters(