board: tbs2910: Convert usb to driver model

So we don't need to duplicate settings from the device tree in the board file.

Signed-off-by: Soeren Moch <smoch@web.de>
diff --git a/board/tbs/tbs2910/tbs2910.c b/board/tbs/tbs2910/tbs2910.c
index 175dd88..20c9377 100644
--- a/board/tbs/tbs2910/tbs2910.c
+++ b/board/tbs/tbs2910/tbs2910.c
@@ -418,12 +418,6 @@
 };
 #endif
 
-#ifdef CONFIG_USB_EHCI_MX6
-static iomux_v3_cfg_t const usb_otg_pads[] = {
-	MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
-};
-#endif
-
 int board_init(void)
 {
 	/* address of boot parameters */
@@ -443,9 +437,5 @@
 #ifdef CONFIG_CMD_BMODE
 	add_board_boot_modes(board_boot_modes);
 #endif
-#ifdef CONFIG_USB_EHCI_MX6
-	imx_iomux_v3_setup_multiple_pads(
-		usb_otg_pads, ARRAY_SIZE(usb_otg_pads));
-#endif
 	return 0;
 }
diff --git a/configs/tbs2910_defconfig b/configs/tbs2910_defconfig
index 717cabf..395275c 100644
--- a/configs/tbs2910_defconfig
+++ b/configs/tbs2910_defconfig
@@ -43,6 +43,7 @@
 CONFIG_DM=y
 CONFIG_DWC_AHSATA=y
 CONFIG_DM_GPIO=y
+CONFIG_DM_KEYBOARD=y
 CONFIG_FSL_ESDHC=y
 CONFIG_PHYLIB=y
 CONFIG_MII=y
@@ -51,6 +52,7 @@
 CONFIG_PINCTRL_IMX6=y
 CONFIG_DM_THERMAL=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_KEYBOARD=y
 CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y
diff --git a/include/configs/tbs2910.h b/include/configs/tbs2910.h
index b06c909..93f75d7 100644
--- a/include/configs/tbs2910.h
+++ b/include/configs/tbs2910.h
@@ -81,7 +81,6 @@
 
 /* USB */
 #ifdef CONFIG_CMD_USB
-#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
 #define CONFIG_MXC_USB_PORTSC		(PORT_PTS_UTMI | PORT_PTS_PTW)
 #ifdef CONFIG_CMD_USB_MASS_STORAGE