regulator: dt-bindings: qcom,usb-vbus-regulator: add support for PM4125

The VBUS register block on the PM4125 PMIC shares the design with the
PM8150B one. Define corresponding compatible string, having the
qcom,pm8150b-vbus-reg as a fallback.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://msgid.link/r/20240221-pm4125-typec-v3-1-fdd0ee0465b8@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml

@@ -24,6 +24,7 @@ properties:
           - qcom,pm8150b-vbus-reg
       - items:
           - enum:
+              - qcom,pm4125-vbus-reg
               - qcom,pm6150-vbus-reg
           - const: qcom,pm8150b-vbus-reg