media: staging: dt-bindings: rkisp1: add missing required nodes

Add missing required nodes in json-schema yaml file for
Rockchip ISP1 dt-bindings.

Signed-off-by: Helen Koike <helen.koike@collabora.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.yaml

@@ -94,11 +94,19 @@ properties:
 
               remote-endpoint: true
 
+        required:
+          - reg
+          - "#address-cells"
+          - "#size-cells"
+
     required:
+      - "#address-cells"
+      - "#size-cells"
       - port@0
 
 required:
   - compatible
+  - reg
   - interrupts
   - clocks
   - clock-names