ARM: dts: imx6qdl: mba6: Add missing vdd-supply for on-board USB hub

This adds vdd-supply powering the USB hub.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/nxp/imx/imx6qdl-mba6.dtsi

@@ -298,6 +298,7 @@ hub@1 {
 		reg = <1>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+		vdd-supply = <&reg_mba6_3p3v>;
 
 		ethernet@1 {
 			compatible = "usb424,9e00";