backports: add linux/of_graph.h to copy-list

Required by CONFIG_VIDEO_ADV7343 and others.

Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
diff --git a/copy-list b/copy-list
index 2794c0c..76c07cb 100644
--- a/copy-list
+++ b/copy-list
@@ -178,6 +178,7 @@
 drivers/media/
 include/linux/platform_data/vsp1.h
 include/linux/platform_data/camera-rcar.h
+include/linux/of_graph.h
 
 include/net/6lowpan.h
 include/net/netns/ieee802154_6lowpan.h