arm64: dts: qcom: pm8150b: Add DTS node for PMIC VBUS booster

Add the required DTS node for the USB VBUS output regulator, which is
available on PM8150B.  This will provide the VBUS source to connected
peripherals.

Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Wesley Cheng <wcheng@codeaurora.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20210427130712.2005456-3-bryan.odonoghue@linaro.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>