dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp: Document SM8550 compatible

Add the SM8550 compatible to the list.
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230208183421.2874423-4-abel.vesa@linaro.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb43dp-phy.yaml

@@ -20,6 +20,7 @@ properties:
       - qcom,sm6350-qmp-usb3-dp-phy
       - qcom,sm8350-qmp-usb3-dp-phy
       - qcom,sm8450-qmp-usb3-dp-phy
+      - qcom,sm8550-qmp-usb3-dp-phy
 
   reg:
     maxItems: 1