dt-bindings: display: msm-dsi-controller-main: document the SM8650 DSI Controller

Document the DSI Controller on the SM8650 Platform.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/564972/
Link: https://lore.kernel.org/r/20231030-topic-sm8650-upstream-mdss-v2-2-43f1887c82b8@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml

@@ -36,6 +36,7 @@ properties:
               - qcom,sm8350-dsi-ctrl
               - qcom,sm8450-dsi-ctrl
               - qcom,sm8550-dsi-ctrl
+              - qcom,sm8650-dsi-ctrl
           - const: qcom,mdss-dsi-ctrl
       - enum:
           - qcom,dsi-ctrl-6g-qcm2290
@@ -334,6 +335,7 @@ allOf:
               - qcom,sm8350-dsi-ctrl
               - qcom,sm8450-dsi-ctrl
               - qcom,sm8550-dsi-ctrl
+              - qcom,sm8650-dsi-ctrl
     then:
       properties:
         clocks: