imx: ventana: add pinctrl and remove unneeded UART init and config

Once the IMX6 pinctrl driver is added UART is fully using driver mode
so we no longer need to config and initialize it.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/configs/gwventana_emmc_defconfig b/configs/gwventana_emmc_defconfig
index 453c80d..433de5e 100644
--- a/configs/gwventana_emmc_defconfig
+++ b/configs/gwventana_emmc_defconfig
@@ -87,6 +87,8 @@
 CONFIG_E1000=y
 CONFIG_MII=y
 CONFIG_PCI=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
 CONFIG_CONS_INDEX=2
 CONFIG_DM_SERIAL=y
 CONFIG_MXC_UART=y
diff --git a/configs/gwventana_gw5904_defconfig b/configs/gwventana_gw5904_defconfig
index 4dc6366..4fd734e 100644
--- a/configs/gwventana_gw5904_defconfig
+++ b/configs/gwventana_gw5904_defconfig
@@ -91,6 +91,8 @@
 CONFIG_E1000=y
 CONFIG_MII=y
 CONFIG_PCI=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
 CONFIG_CONS_INDEX=2
 CONFIG_DM_SERIAL=y
 CONFIG_MXC_UART=y
diff --git a/configs/gwventana_nand_defconfig b/configs/gwventana_nand_defconfig
index bd84340..5d8126e 100644
--- a/configs/gwventana_nand_defconfig
+++ b/configs/gwventana_nand_defconfig
@@ -91,6 +91,8 @@
 CONFIG_E1000=y
 CONFIG_MII=y
 CONFIG_PCI=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
 CONFIG_CONS_INDEX=2
 CONFIG_DM_SERIAL=y
 CONFIG_MXC_UART=y