media: dt-bindings: media: renesas,vin: Add r8a77961 support

Add the compatible string for M3-W+ (r8a77961) to the list of supported
SoCs.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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

@@ -46,6 +46,7 @@ properties:
               - renesas,vin-r8a7779  # R-Car H1
               - renesas,vin-r8a7795  # R-Car H3
               - renesas,vin-r8a7796  # R-Car M3-W
+              - renesas,vin-r8a77961 # R-Car M3-W+
               - renesas,vin-r8a77965 # R-Car M3-N
               - renesas,vin-r8a77970 # R-Car V3M
               - renesas,vin-r8a77980 # R-Car V3H