Forgot to mark myself as on the retry list

--HG--
extra : convert_revision : c20170320a284a7bf143a929e4d3aa1475a8bfe0

src/mem/bus.hh

@@ -231,6 +231,7 @@ class Bus : public MemObject
                 inRetry = false;
             }
             else {
+                port->onRetryList(true);
                 retryList.push_back(port);
             }
         }