Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/soc/renesas/r8a7745-sysc.c b/drivers/soc/renesas/r8a7745-sysc.c
index d17887c..65dc6b0 100644
--- a/drivers/soc/renesas/r8a7745-sysc.c
+++ b/drivers/soc/renesas/r8a7745-sysc.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Renesas RZ/G1E System Controller
  *
  * Copyright (C) 2016 Cogent Embedded Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation; of the License.
  */
 
 #include <linux/bug.h>