colibri_pxa270_defconfig: enable dm_mmc

Enable CONFIG_DM_MMC.

Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>
diff --git a/configs/colibri_pxa270_defconfig b/configs/colibri_pxa270_defconfig
index df3ac6e..669b9df 100644
--- a/configs/colibri_pxa270_defconfig
+++ b/configs/colibri_pxa270_defconfig
@@ -33,6 +33,7 @@
 CONFIG_ENV_ADDR=0x80000
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_DM=y
+CONFIG_DM_MMC=y
 CONFIG_PXA_MMC_GENERIC=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_FLASH_CFI_DRIVER=y