Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/sound/soc/codecs/tas2552.h b/sound/soc/codecs/tas2552.h
index e34752b..d095831 100644
--- a/sound/soc/codecs/tas2552.h
+++ b/sound/soc/codecs/tas2552.h
@@ -1,18 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * tas2552.h - ALSA SoC Texas Instruments TAS2552 Mono Audio Amplifier
  *
  * Copyright (C) 2014 Texas Instruments Incorporated -  http://www.ti.com
  *
  * Author: Dan Murphy <dmurphy@ti.com>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
  */
 
 #ifndef __TAS2552_H__