ARM: dts: Enable USB host1(dwc) on rk3288-evb

USB host1 port is the host A port nearby the otg port.
Signed-off-by: NKever Yang <kever.yang@rock-chips.com>
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk3288-evb.dtsi

@@ -177,3 +177,7 @@
 &usb_host0_ehci {
 	status = "okay";
 };
+
+&usb_host1 {
+	status = "okay";
+};