dt-bindings: msm: dsi-controller-main: Fix operating-points-v2 constraint

The existing msm8916.dtsi does not depend on nor require operating points.

Fixes: 4dbe55c9 ("dt-bindings: msm: dsi: add yaml schemas for DSI bindings")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/515940/
Link: https://lore.kernel.org/r/20221223021025.1646636-2-bryan.odonoghue@linaro.orgSigned-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>

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

@@ -138,7 +138,6 @@ required:
   - assigned-clocks
   - assigned-clock-parents
   - power-domains
-  - operating-points-v2
   - ports
 
 additionalProperties: false