cinterion: always sort last the plugin

This is because the cinterion plugin can handle RS232 modes, and checking
support for them needs to have the vendor ID probed with AT commands, so
probing is almost always issued in this plugin. By sorting last, we let
other plugins check support first.

plugins/mm-plugin-cinterion.c

@@ -35,6 +35,7 @@ mm_plugin_create (void)
 {
     return MM_PLUGIN (g_object_new (MM_TYPE_PLUGIN_CINTERION,
                                     MM_PLUGIN_BASE_NAME, "Cinterion",
+                                    MM_PLUGIN_BASE_SORT_LAST, TRUE,
                                     NULL));
 }