Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/firmware/efi/capsule-loader.c b/drivers/firmware/efi/capsule-loader.c
index 9668898..b139513 100644
--- a/drivers/firmware/efi/capsule-loader.c
+++ b/drivers/firmware/efi/capsule-loader.c
@@ -1,10 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * EFI capsule loader driver.
  *
  * Copyright 2015 Intel Corporation
- *
- * This file is part of the Linux kernel, and is made available under
- * the terms of the GNU General Public License version 2.
  */
 
 #define pr_fmt(fmt) "efi: " fmt