configs: enable eSDHC device module for T2080RDB board

Enable eSDHC device module for T2080RDB board

Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/T2080RDB_defconfig b/configs/T2080RDB_defconfig
index 71a9559..dd9c63a 100644
--- a/configs/T2080RDB_defconfig
+++ b/configs/T2080RDB_defconfig
@@ -59,3 +59,4 @@
 CONFIG_FSL_ESPI=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
+CONFIG_DM_MMC=y