ARM: dts: sun6i: Enable USB DRC on the Mele A1000G quad

The Mele A1000G-quad has an usb to sata bridge connected to its otg
controller, this commit enables support for this. Since the otg is
hardwired to the sata bridge it gets enabled in host only mode.

Signed-off-by: Hans de Goede <[e-mail]>
Signed-off-by: Maxime Ripard <[e-mail]>

arch/arm/boot/dts/sun6i-a31-mele-a1000g-quad.dts

···
 	status = "okay";
 };
 
+&usb_otg {
+	dr_mode = "host";
+	status = "okay";
+};
+
 &usbphy {
 	usb1_vbus-supply = <&reg_usb1_vbus>;
 	status = "okay";