apalis_imx6: migrate usb to using driver model

Migrate USB to using driver model.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
diff --git a/board/toradex/apalis_imx6/apalis_imx6.c b/board/toradex/apalis_imx6/apalis_imx6.c
index 34e78dd..220cbff 100644
--- a/board/toradex/apalis_imx6/apalis_imx6.c
+++ b/board/toradex/apalis_imx6/apalis_imx6.c
@@ -271,28 +271,6 @@
 	imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads));
 	return 0;
 }
-
-int board_ehci_power(int port, int on)
-{
-	switch (port) {
-	case 0:
-		/* control OTG power */
-		gpio_direction_output(GPIO_USBO_EN, on);
-		mdelay(100);
-		break;
-	case 1:
-		/* Control MXM USBH */
-		gpio_direction_output(GPIO_USBH_EN, on);
-		mdelay(2);
-		/* Control onboard USB Hub VBUS */
-		gpio_direction_output(GPIO_USB_VBUS_DET, on);
-		mdelay(100);
-		break;
-	default:
-		break;
-	}
-	return 0;
-}
 #endif
 
 #if defined(CONFIG_FSL_ESDHC) && defined(CONFIG_SPL_BUILD)
diff --git a/configs/apalis_imx6_defconfig b/configs/apalis_imx6_defconfig
index 510161a..1ab5edc 100644
--- a/configs/apalis_imx6_defconfig
+++ b/configs/apalis_imx6_defconfig
@@ -72,6 +72,7 @@
 CONFIG_DM_SCSI=y
 CONFIG_IMX_THERMAL=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_KEYBOARD=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_MANUFACTURER="Toradex"