ARM: davinci: omapl138_lcdk: Enable DM_MMC

With DM_MMC now available, this patch enables DM_MMC for the
omapl138_lcdk in U-Boot and keeps the older style for SPL.

Signed-off-by: Peter Howard <phoward@gme.net.au>
Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/configs/omapl138_lcdk_defconfig b/configs/omapl138_lcdk_defconfig
index 96311af..e3a06c8 100644
--- a/configs/omapl138_lcdk_defconfig
+++ b/configs/omapl138_lcdk_defconfig
@@ -37,6 +37,7 @@
 CONFIG_DM_I2C=y
 CONFIG_DM_I2C_COMPAT=y
 CONFIG_SYS_I2C_DAVINCI=y
+CONFIG_DM_MMC=y
 CONFIG_NAND=y
 CONFIG_NAND_DAVINCI=y
 CONFIG_SYS_NAND_BUSWIDTH_16BIT=y