media: dt-bindings: media: allwinner,sun4i-a10-video-engine: Add R40 compatible

Allwinner R40 SoC contains video engine. Add compatible for it.
Signed-off-by: NJernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml

@@ -18,6 +18,7 @@ properties:
       - allwinner,sun7i-a20-video-engine
       - allwinner,sun8i-a33-video-engine
       - allwinner,sun8i-h3-video-engine
+      - allwinner,sun8i-r40-video-engine
       - allwinner,sun50i-a64-video-engine
       - allwinner,sun50i-h5-video-engine
       - allwinner,sun50i-h6-video-engine