Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/mfd/abx500/ab8500.h b/include/linux/mfd/abx500/ab8500.h
index d33c245..524a7e4 100644
--- a/include/linux/mfd/abx500/ab8500.h
+++ b/include/linux/mfd/abx500/ab8500.h
@@ -1,7 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) ST-Ericsson SA 2010
  *
- * License Terms: GNU General Public License v2
  * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
  */
 #ifndef MFD_AB8500_H