Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/scripts/coccinelle/misc/boolconv.cocci b/scripts/coccinelle/misc/boolconv.cocci
index 33c464d..392994e 100644
--- a/scripts/coccinelle/misc/boolconv.cocci
+++ b/scripts/coccinelle/misc/boolconv.cocci
@@ -1,9 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /// Remove unneeded conversion to bool
 ///
 //# Relational and logical operators evaluate to bool,
 //# explicit conversion is overly verbose and unneeded.
 //
-// Copyright: (C) 2016 Andrew F. Davis <afd@ti.com> GPLv2.
+// Copyright: (C) 2016 Andrew F. Davis <afd@ti.com>
 
 virtual patch
 virtual context