Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/watchdog/sbc8360.c b/drivers/watchdog/sbc8360.c
index da60560..4f8b991 100644
--- a/drivers/watchdog/sbc8360.c
+++ b/drivers/watchdog/sbc8360.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  *	SBC8360 Watchdog driver
  *
@@ -19,11 +20,6 @@
  *	(c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>,
  *						All Rights Reserved.
  *
- *	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.
- *
  *	Neither Alan Cox nor CymruNet Ltd. admit liability nor provide
  *	warranty for any of this software. This material is provided
  *	"AS-IS" and at no charge.
@@ -271,7 +267,7 @@
 	/* Activate and ping once to start the countdown */
 	sbc8360_activate();
 	sbc8360_ping();
-	return nonseekable_open(inode, file);
+	return stream_open(inode, file);
 }
 
 static int sbc8360_close(struct inode *inode, struct file *file)