Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/input/touchscreen/mk712.c b/drivers/input/touchscreen/mk712.c
index c179060..753d9cc 100644
--- a/drivers/input/touchscreen/mk712.c
+++ b/drivers/input/touchscreen/mk712.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * ICS MK712 touchscreen controller driver
  *
@@ -6,11 +7,6 @@
  * Copyright (c) 2005 Vojtech Pavlik <vojtech@suse.cz>
  */
 
-/*
- * 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 driver supports the ICS MicroClock MK712 TouchScreen controller,