loader/fs.mitm: Support override config changes at runtime

stratosphere/fs_mitm/source/fsmitm_utils.hpp

@@ -45,5 +45,5 @@ class Utils {
         static Result GetKeysDown(u64 *keys);
         static bool HasOverrideButton(u64 tid);
     private:
-        static void LoadConfiguration(FsFile *f);
+        static void RefreshConfiguration();
 };