dt-bindings: usb: qcom,dwc3: Add bindings for SM8150, SM8250, SM8350

Add compatible strings for the USB DWC3 controller on QCOM SM8150,
SM8250 and SM8350 SoCs.

Note the SM8150 & SM8250 compatibles are already being used in the
dts but was missing from the documentation.
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Jack Pham <jackp@codeaurora.org>
Link: https://lore.kernel.org/r/20210119173748.6729-1-jackp@codeaurora.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

@@ -18,6 +18,9 @@ properties:
           - qcom,sc7180-dwc3
           - qcom,sdm845-dwc3
           - qcom,sdx55-dwc3
+          - qcom,sm8150-dwc3
+          - qcom,sm8250-dwc3
+          - qcom,sm8350-dwc3
       - const: qcom,dwc3
 
   reg: