systemc: Add a python config class for sc_modules.

This class doesn't really add anything, but it provides a consistent
base class for sc_modules vs. generic sc_objects.

Change-Id: I3fbd4f6b5d1be0b5419f5cbd304aec61d404a341
Reviewed-on: https://gem5-review.googlesource.com/c/13355
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
diff --git a/src/systemc/core/SystemC.py b/src/systemc/core/SystemC.py
index 49b569b..7ab33ea 100644
--- a/src/systemc/core/SystemC.py
+++ b/src/systemc/core/SystemC.py
@@ -73,6 +73,12 @@
         method.name: (lambda *a, **k: None) for method in SimObject.cxx_exports
     })
 
+class SystemC_ScModule(SystemC_ScObject):
+    type = 'SystemC_ScModule'
+    abstract = True
+    cxx_class = 'sc_core::sc_module'
+    cxx_header = 'systemc/ext/core/sc_module.hh'
+
 try:
     import _m5
 except: