pitx-imx8m: add missing USB1_OTG IOMUX configurations

- add USB1_OTG_PWR configuration
- add USB1_OTG_OC configuration
- add USB1_OTG_ID configuration
Signed-off-by: Thomas Schaefer <thomas.schaefer@kontron.com>

arch/arm/dts/pitx-imx8mq.dts

@@ -214,6 +214,8 @@
 
 &usb_dwc3_0 {
 	dr_mode = "otg";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb0>;
 	hnp-disable;
 	srp-disable;
 	adp-disable;
@@ -396,7 +398,13 @@
 		>;
 	};
 
-
+	pinctrl_usb0: usb0grp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_GPIO1_IO12_USB1_OTG_PWR		0x19
+			MX8MQ_IOMUXC_GPIO1_IO13_USB1_OTG_OC		0x19
+			MX8MQ_IOMUXC_GPIO1_IO10_USB1_OTG_ID		0x19
+		>;
+	};
 
 	pinctrl_usdhc1: usdhc1grp {
 		fsl,pins = <