arm64: dts: imx8mp-evk: enable usb1 as host mode

Enable usb host port with type-A connector on imx8mp-evk board.
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Li Jun <jun.li@nxp.com>
Link: https://lore.kernel.org/r/1609241866-9508-5-git-send-email-jun.li@nxp.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arm64/boot/dts/freescale/imx8mp-evk.dts

@@ -127,6 +127,21 @@ &uart2 {
 	status = "okay";
 };
 
+&usb3_phy1 {
+	status = "okay";
+};
+
+&usb3_1 {
+	status = "okay";
+};
+
+&usb_dwc3_1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb1_vbus>;
+	dr_mode = "host";
+	status = "okay";
+};
+
 &usdhc2 {
 	assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
 	assigned-clock-rates = <400000000>;
@@ -232,6 +247,12 @@ MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX	0x49
 		>;
 	};
 
+	pinctrl_usb1_vbus: usb1grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_GPIO1_IO14__USB2_OTG_PWR	0x19
+		>;
+	};
+
 	pinctrl_usdhc2: usdhc2grp {
 		fsl,pins = <
 			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK	0x190