imx6: geam6ul: Enable MTD device support

Enable MTD device, partition and command support.

Cc: Stefano Babic <sbabic@denx.de>
Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/include/configs/imx6ul_geam.h b/include/configs/imx6ul_geam.h
index 4fe130b..8938b80 100644
--- a/include/configs/imx6ul_geam.h
+++ b/include/configs/imx6ul_geam.h
@@ -124,6 +124,12 @@
 # define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
 # define CONFIG_SYS_NAND_U_BOOT_OFFS	0x200000
 
+/* MTD device */
+# define CONFIG_MTD_DEVICE
+# define CONFIG_CMD_MTDPARTS
+# define CONFIG_MTD_PARTITIONS
+# define MTDIDS_DEFAULT			"nand0=nand"
+
 # define CONFIG_APBH_DMA
 # define CONFIG_APBH_DMA_BURST
 # define CONFIG_APBH_DMA_BURST8