Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/powerpc/tools/checkpatch.sh b/arch/powerpc/tools/checkpatch.sh
index 1fad3fb..3ce5c09 100755
--- a/arch/powerpc/tools/checkpatch.sh
+++ b/arch/powerpc/tools/checkpatch.sh
@@ -19,4 +19,5 @@
 	--ignore GLOBAL_INITIALISERS \
 	--ignore LINE_SPACING \
 	--ignore MULTIPLE_ASSIGNMENTS \
+	--ignore DT_SPLIT_BINDING_PATCH \
 	$@