mx6sabresd: Select pinctrl driver

With the conversion to DM we should select the pinctrl driver.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
diff --git a/configs/mx6sabresd_defconfig b/configs/mx6sabresd_defconfig
index e81dc8a..89d542f 100644
--- a/configs/mx6sabresd_defconfig
+++ b/configs/mx6sabresd_defconfig
@@ -82,6 +82,8 @@
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_PHYLIB=y
 CONFIG_MII=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
 CONFIG_PCI=y
 CONFIG_DM_REGULATOR=y
 CONFIG_SPI=y