imx6q: icorem6: Enable pinctrl driver

Enable imx6 pinctrl driver support for i.CoreM6.

Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: NJagan Teki <jagan@amarulasolutions.com>

configs/imx6qdl_icore_mmc_defconfig

@@ -30,6 +30,8 @@ CONFIG_FEC_MXC=y
 CONFIG_MXC_UART=y
 CONFIG_NETDEVICES=y
 CONFIG_IMX_THERMAL=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
 CONFIG_SPL_LIBDISK_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y