Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/rio.h b/include/linux/rio.h
index 37b95c4..317bace 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -1,14 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * RapidIO interconnect services
  * (RapidIO Interconnect Specification, http://www.rapidio.org)
  *
  * Copyright 2005 MontaVista Software, Inc.
  * Matt Porter <mporter@kernel.crashing.org>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
  */
 
 #ifndef LINUX_RIO_H