ARM: imx: novena: Enable DM pin control

Enable DM pin control support on iMX6Q Novena.
Signed-off-by: NMarek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Vagrant Cascadian <vagrant@debian.org>

configs/novena_defconfig

@@ -14,6 +14,7 @@ CONFIG_SPL_FS_FAT=y
 CONFIG_SPL_LIBDISK_SUPPORT=y
 CONFIG_CMD_HDMIDETECT=y
 CONFIG_DISTRO_DEFAULTS=y
+# CONFIG_SYS_MALLOC_F is not set
 CONFIG_FIT=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg,MX6Q"
 CONFIG_USE_BOOTARGS=y
@@ -29,6 +30,7 @@ CONFIG_SPL_I2C_SUPPORT=y
 CONFIG_SPL_WATCHDOG_SUPPORT=y
 CONFIG_CMD_ASKENV=y
 CONFIG_CMD_EEPROM=y
+CONFIG_CMD_DM=y
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
@@ -43,6 +45,7 @@ CONFIG_CMD_EXT4_WRITE=y
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="imx6q-novena"
 CONFIG_ENV_IS_IN_MMC=y
+CONFIG_DM=y
 CONFIG_DWC_AHSATA=y
 CONFIG_FSL_ESDHC=y
 CONFIG_PHYLIB=y
@@ -50,6 +53,8 @@ CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y
 CONFIG_MII=y
 CONFIG_PCI=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
 CONFIG_USB=y
 CONFIG_USB_KEYBOARD=y
 CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP=y