ARM: dts: sun8i: tbs-a711: Fix typo in regulators

The regulator properties suffix is -supply, yet a _supply slipped in.

This was working because the regulator framework will provide a dummy
regulator when none is provided in the device tree, and the regulator
itself was always enabled.

Fixes: 90c5d7cdae ("ARM: dts: sun8i: a711: Add regulator support")
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts

@@ -417,7 +417,7 @@
 &usbphy {
 	usb0_id_det-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
 	usb0_vbus-supply = <&reg_drivevbus>;
-	usb1_vbus_supply = <&reg_vmain>;
-	usb2_vbus_supply = <&reg_vmain>;
+	usb1_vbus-supply = <&reg_vmain>;
+	usb2_vbus-supply = <&reg_vmain>;
 	status = "okay";
 };