Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/transport_class.h b/include/linux/transport_class.h
index 11087cd..a9c5976 100644
--- a/include/linux/transport_class.h
+++ b/include/linux/transport_class.h
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * transport_class.h - a generic container for all transport classes
  *
  * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
- *
- * This file is licensed under GPLv2
  */
 
 #ifndef _TRANSPORT_CLASS_H_