mx6sx: vining2000: pinmux usdhc4 reset

This patch configures pinmux for pin usdhc4 reset.
Signed-off-by: NChristoph Fritz <chf.fritz@googlemail.com>

board/samtec/vining_2000/vining_2000.c

@@ -57,6 +57,9 @@ DECLARE_GLOBAL_DATA_PTR;
 	PAD_CTL_PKE |  PAD_CTL_SPEED_MED | PAD_CTL_DSE_80ohm |	\
 	PAD_CTL_SRE_FAST)
 
+#define USDHC_RESET_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP |	\
+	PAD_CTL_PKE |  PAD_CTL_SPEED_MED | PAD_CTL_DSE_80ohm)
+
 #define GPIO_PAD_CTRL  (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP |	\
 	PAD_CTL_PKE)
 
@@ -93,6 +96,7 @@ static iomux_v3_cfg_t const usdhc4_pads[] = {
 	MX6_PAD_SD4_DATA5__USDHC4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 	MX6_PAD_SD4_DATA6__USDHC4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 	MX6_PAD_SD4_DATA7__USDHC4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD4_RESET_B__USDHC4_RESET_B | MUX_PAD_CTRL(USDHC_RESET_CTRL),
 };
 
 static iomux_v3_cfg_t const fec1_pads[] = {