Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/scripts/gfp-translate b/scripts/gfp-translate
index c9230e1..b2ce416 100755
--- a/scripts/gfp-translate
+++ b/scripts/gfp-translate
@@ -1,7 +1,7 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-only
 # Translate the bits making up a GFP mask
 # (c) 2009, Mel Gorman <mel@csn.ul.ie>
-# Licensed under the terms of the GNU GPL License version 2
 SOURCE=
 GFPMASK=none