Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/container.h b/include/linux/container.h
index 3c03e6f..2566a1b 100644
--- a/include/linux/container.h
+++ b/include/linux/container.h
@@ -1,14 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Definitions for container bus type.
  *
  * Copyright (C) 2013, Intel Corporation
  * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- *
- * 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.
  */
 
+#ifndef _LINUX_CONTAINER_H
+#define _LINUX_CONTAINER_H
+
 #include <linux/device.h>
 
 /* drivers/base/power/container.c */
@@ -23,3 +23,5 @@
 {
 	return container_of(dev, struct container_dev, dev);
 }
+
+#endif /* _LINUX_CONTAINER_H */