dt-bindings: clock: qcom,sm8350-videocc: Add SC8280XP

SC8280XP reuses the SM8350 video clock controller block, changing just a
couple tunables. Docuemnt it.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230703-topic-8280_videocc-v2-1-c88269806269@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

Documentation/devicetree/bindings/clock/qcom,sm8350-videocc.yaml

@@ -19,7 +19,9 @@ description: |
 
 properties:
   compatible:
-    const: qcom,sm8350-videocc
+    enum:
+      - qcom,sc8280xp-videocc
+      - qcom,sm8350-videocc
 
   clocks:
     items: