board: tbs2910: Add pinctrl driver and convert gpio to driver model

We need this for additional driver model conversions.

Signed-off-by: Soeren Moch <smoch@web.de>
diff --git a/board/tbs/tbs2910/tbs2910.c b/board/tbs/tbs2910/tbs2910.c
index 99b282c..175dd88 100644
--- a/board/tbs/tbs2910/tbs2910.c
+++ b/board/tbs/tbs2910/tbs2910.c
@@ -138,6 +138,7 @@
 	imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
 
 	/* Reset AR8035 PHY */
+	gpio_request(IMX_GPIO_NR(1, 25), "ETH_PHY_RESET");
 	gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
 	udelay(500);
 	gpio_set_value(IMX_GPIO_NR(1, 25), 1);
@@ -230,12 +231,14 @@
 		case 0:
 			imx_iomux_v3_setup_multiple_pads(
 				usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+			gpio_request(USDHC2_CD_GPIO, "MMC0_CD");
 			gpio_direction_input(USDHC2_CD_GPIO);
 			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 			break;
 		case 1:
 			imx_iomux_v3_setup_multiple_pads(
 				usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+			gpio_request(USDHC3_CD_GPIO, "MMC1_CD");
 			gpio_direction_input(USDHC3_CD_GPIO);
 			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 			break;
diff --git a/configs/tbs2910_defconfig b/configs/tbs2910_defconfig
index 3cc68eb..717cabf 100644
--- a/configs/tbs2910_defconfig
+++ b/configs/tbs2910_defconfig
@@ -42,10 +42,13 @@
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_DM=y
 CONFIG_DWC_AHSATA=y
+CONFIG_DM_GPIO=y
 CONFIG_FSL_ESDHC=y
 CONFIG_PHYLIB=y
 CONFIG_MII=y
 CONFIG_PCI=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
 CONFIG_DM_THERMAL=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y