Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/sh/include/asm/device.h b/arch/sh/include/asm/device.h
index 071bcb4..6f3e686 100644
--- a/arch/sh/include/asm/device.h
+++ b/arch/sh/include/asm/device.h
@@ -1,7 +1,6 @@
-/*
- * Arch specific extensions to struct device
+/* SPDX-License-Identifier: GPL-2.0
  *
- * This file is released under the GPLv2
+ * Arch specific extensions to struct device
  */
 #ifndef __ASM_SH_DEVICE_H
 #define __ASM_SH_DEVICE_H