Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/sound/soc/codecs/max9850.h b/sound/soc/codecs/max9850.h
index 72b1ddb..da31364 100644
--- a/sound/soc/codecs/max9850.h
+++ b/sound/soc/codecs/max9850.h
@@ -1,14 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * max9850.h  --  codec driver for max9850
  *
  * Copyright (C) 2011 taskit GmbH
  * Author: Christian Glindkamp <christian.glindkamp@taskit.de>
- *
- * 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 _MAX9850_H