omap3: igep00x0: Add Device Tree Support and DM_MMC driver

This adds device tree for OMAP3 IGEP based boards and the DM_MMC driver.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/igep00x0_defconfig b/configs/igep00x0_defconfig
index b806f23..efd8519 100644
--- a/configs/igep00x0_defconfig
+++ b/configs/igep00x0_defconfig
@@ -27,6 +27,9 @@
 CONFIG_CMD_UBI=y
 # CONFIG_CMD_UBIFS is not set
 CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_DEFAULT_DEVICE_TREE="omap3-igep0020"
+CONFIG_OF_CONTROL=y
+CONFIG_DM_MMC=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y
 CONFIG_SYS_NAND_BUSWIDTH_16BIT=y