Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/arm/mach-pxa/xcep.c b/arch/arm/mach-pxa/xcep.c
index c368c98..f485146 100644
--- a/arch/arm/mach-pxa/xcep.c
+++ b/arch/arm/mach-pxa/xcep.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*  linux/arch/arm/mach-pxa/xcep.c
  *
  *  Support for the Iskratel Electronics XCEP platform as used in
@@ -8,10 +9,6 @@
  *  Contributions by: Matej Kenda <matej.kenda@i-tech.si>
  *  Created:    June 2006
  *  Copyright:  (C) 2006-2009 Instrumentation Technologies
- *
- *  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/platform_device.h>