dm: mmc: Move dragonboard410c to use CONFIG_BLK and CONFIG_DM_MMC_OPS

Update this board to use driver model for block devices and MMC operations.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/dragonboard410c_defconfig b/configs/dragonboard410c_defconfig
index 37c5ea77..ad2e8b8 100644
--- a/configs/dragonboard410c_defconfig
+++ b/configs/dragonboard410c_defconfig
@@ -18,6 +18,7 @@
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
+CONFIG_BLK=y
 CONFIG_CLK=y
 CONFIG_MSM_GPIO=y
 CONFIG_PM8916_GPIO=y
@@ -25,6 +26,7 @@
 CONFIG_LED_GPIO=y
 CONFIG_SYSRESET=y
 CONFIG_DM_MMC=y
+CONFIG_DM_MMC_OPS=y
 CONFIG_MSM_SDHCI=y
 CONFIG_DM_PMIC=y
 CONFIG_PMIC_PM8916=y