dt-bindings: clock: qcom: Add SM8550 video clock controller

Add compatible string for SM8550 video clock controller.
Signed-off-by: Jagadeesh Kona <quic_jkona@quicinc.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230524145203.13153-3-quic_jkona@quicinc.com

Documentation/devicetree/bindings/clock/qcom,sm8450-videocc.yaml

@@ -17,7 +17,9 @@ description: |
 
 properties:
   compatible:
-    const: qcom,sm8450-videocc
+    enum:
+      - qcom,sm8450-videocc
+      - qcom,sm8550-videocc
 
   reg:
     maxItems: 1