ARM: dts: qcom: add charger otg regulator

Add the otg regulator provided by the charger block.
Signed-off-by: NTim Bird <tim.bird@sonymobile.com>
Reviewed-by: NBjorn Andersson <bjorn.andersson@sonymobile.com>
[stephen.boyd@linaro.org: Fix otg supply property name]
Signed-off-by: NStephen Boyd <stephen.boyd@linaro.org>
Signed-off-by: NAndy Gross <andy.gross@linaro.org>

arch/arm/boot/dts/qcom-pm8941.dtsi

@@ -45,6 +45,10 @@
 					  "chg-gone",
 					  "usb-valid",
 					  "dc-valid";
+
+			usb-otg-in-supply = <&pm8941_5vs1>;
+
+			chg_otg: otg-vbus { };
 		};
 
 		pm8941_gpios: gpios@c000 {