Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/i2c/algos/i2c-algo-pcf.h b/drivers/i2c/algos/i2c-algo-pcf.h
index 262ee80..2448ab1 100644
--- a/drivers/i2c/algos/i2c-algo-pcf.h
+++ b/drivers/i2c/algos/i2c-algo-pcf.h
@@ -1,18 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /* -------------------------------------------------------------------- */
 /* i2c-pcf8584.h: PCF 8584 global defines				*/
 /* -------------------------------------------------------------------- */
 /*   Copyright (C) 1996 Simon G. Vogl
                    1999 Hans Berglund
 
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.			*/
+ */
 /* --------------------------------------------------------------------	*/
 
 /* With some changes from Frodo Looijaard <frodol@dds.nl> */