arm64: dts: rockchip: rename vbus-supply to phy-supply in rk3566-box-demo.dts

'vbus-supply' does not match any of the regexes in rk3566-box-demo.dts
in the usb2phy0_otg node, so rename vbus-supply to phy-supply.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/1889d8ee-e119-4a52-33a1-b990a41a137c@gmail.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3566-box-demo.dts

@@ -495,7 +495,7 @@ &usb2phy0_host {
 };
 
 &usb2phy0_otg {
-	vbus-supply = <&vcc5v0_usb2_otg>;
+	phy-supply = <&vcc5v0_usb2_otg>;
 	status = "okay";
 };