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: NTim Harvey <tharvey@gateworks.com>

board/gateworks/gw_ventana/gw_ventana.c

@@ -24,7 +24,6 @@
 #include <asm/io.h>
 #include <asm/setup.h>
 #include <dm.h>
-#include <dm/platform_data/serial_mxc.h>
 #include <env.h>
 #include <hwconfig.h>
 #include <i2c.h>
@@ -628,8 +627,6 @@ void get_board_serial(struct tag_serialnr *serialnr)
 
 int board_early_init_f(void)
 {
-	setup_iomux_uart();
-
 #if defined(CONFIG_VIDEO_IPUV3)
 	setup_display();
 #endif
@@ -1389,12 +1386,3 @@ int ft_board_setup(void *blob, struct bd_info *bd)
 	return 0;
 }
 #endif /* CONFIG_OF_BOARD_SETUP */
-
-static struct mxc_serial_plat ventana_mxc_serial_plat = {
-	.reg = (struct mxc_uart *)UART2_BASE,
-};
-
-U_BOOT_DRVINFO(ventana_serial) = {
-	.name   = "serial_mxc",
-	.plat = &ventana_mxc_serial_plat,
-};

configs/gwventana_emmc_defconfig

@@ -87,6 +87,8 @@ CONFIG_PHYLIB=y
 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

configs/gwventana_gw5904_defconfig

@@ -91,6 +91,8 @@ CONFIG_MV88E61XX_FIXED_PORTS=0x0
 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

configs/gwventana_nand_defconfig

@@ -91,6 +91,8 @@ CONFIG_PHYLIB=y
 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