media: dt-bindings: qcom,sdm845-venus-v2: document OPP table

Venus on Qualcomm SDM845 uses Operating Performance Points (in Linux driver).
Signed-off-by: NKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: NRob Herring <robh@kernel.org>
Signed-off-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@kernel.org>

Documentation/devicetree/bindings/media/qcom,sdm845-venus-v2.yaml

@@ -48,6 +48,10 @@ properties:
   iommus:
     maxItems: 2
 
+  operating-points-v2: true
+  opp-table:
+    type: object
+
   video-core0:
     type: object