Make sure we have all values when trying to generate the ini file

sim/pyconfig/m5config.py:
    When getting all values, make sure we get the ones that are
    parameter defaults as well.

--HG--
extra : convert_revision : 2b1c4b2f27dfab17ef9df18d7e5936e4a00bb12e

sim/pyconfig/m5config.py

@@ -350,6 +350,13 @@ class MetaConfigNode(type):
             for p,v in c._values.iteritems():
                 if not values.has_key(p):
                     values[p] = v
+            for p,v in c._params.iteritems():
+                if not values.has_key(p) and hasattr(v, 'default'):
+                    v.valid(v.default)
+                    v = v.default
+                    cls._setvalue(p, v)
+                    values[p] = v
+
         return values
 
     def _getvalue(cls, name, default = AttributeError):