Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/input/input-leds.c b/drivers/input/input-leds.c
index 99cc784..0b11990 100644
--- a/drivers/input/input-leds.c
+++ b/drivers/input/input-leds.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * LED support for the input layer
  *
  * Copyright 2010-2015 Samuel Thibault <samuel.thibault@ens-lyon.org>
- *
- * 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/kernel.h>