dt-bindings: regulator: qcom,usb-vbus-regulator: Add PM7250B compatible

The VBUS register block on the PM6150 PMIC shares the design with the
PM8150B one. Define corresponding compatible string, having the
qcom,pm8150b-vbus-reg as a fallback.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://msgid.link/r/20240322-fp4-tcpm-v1-1-c5644099d57b@fairphone.comSigned-off-by: Mark Brown <broonie@kernel.org>

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

@@ -26,6 +26,7 @@ properties:
           - enum:
               - qcom,pm4125-vbus-reg
               - qcom,pm6150-vbus-reg
+              - qcom,pm7250b-vbus-reg
               - qcom,pmi632-vbus-reg
           - const: qcom,pm8150b-vbus-reg