Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/leds/leds-max77693.c b/drivers/leds/leds-max77693.c
index adf0f19..fec5609 100644
--- a/drivers/leds/leds-max77693.c
+++ b/drivers/leds/leds-max77693.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * LED Flash class driver for the flash cell of max77693 mfd.
  *
@@ -5,10 +6,6 @@
  *
  *	Authors: Jacek Anaszewski <j.anaszewski@samsung.com>
  *		 Andrzej Hajda <a.hajda@samsung.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.
  */
 
 #include <linux/led-class-flash.h>