dt-bindings: usb: qcom,dwc3: add binding for SM8450

Add the compatible string for USB controller for Qualcomm SM8450 SoC.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20211216113849.659856-1-vkoul@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Documentation/devicetree/bindings/usb/qcom,dwc3.yaml

@@ -28,6 +28,7 @@ properties:
           - qcom,sm8150-dwc3
           - qcom,sm8250-dwc3
           - qcom,sm8350-dwc3
+          - qcom,sm8450-dwc3
       - const: qcom,dwc3
 
   reg: