media: dt-bindings: media: renesas,csi2: Add r8a779a0 support

Add support for R-Car V3U.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/devicetree/bindings/media/renesas,csi2.yaml

@@ -30,6 +30,7 @@ properties:
           - renesas,r8a77970-csi2 # R-Car V3M
           - renesas,r8a77980-csi2 # R-Car V3H
           - renesas,r8a77990-csi2 # R-Car E3
+          - renesas,r8a779a0-csi2 # R-Car V3U
 
   reg:
     maxItems: 1