media: dt-bindings: qcom,sdm660-camss: document interconnects

Document the interconnect properties used in the Qualcomm CAMSS on
SDM660:

  sdm630-sony-xperia-nile-discovery.dtb: camss@ca00000: 'interconnect-names', 'interconnects' do not match any of the regexes: 'pinctrl-[0-9]+'
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

Documentation/devicetree/bindings/media/qcom,sdm660-camss.yaml

@@ -84,6 +84,13 @@ properties:
       - const: vfe0
       - const: vfe1
 
+  interconnects:
+    maxItems: 1
+
+  interconnect-names:
+    items:
+      - const: vfe-mem
+
   iommus:
     maxItems: 4