mmc: ftsdc010: Migrate CONFIG_FTSDC010_SDIO to Kconfig

Convert CONFIG_FTSDC010_SDIO to Kconfig.
So CONFIG_FTSDC010_SDIO can also be
removed from config_whitelist.txt.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Cc: Greentime Hu <green.hu@gmail.com>
diff --git a/configs/adp-ae3xx_defconfig b/configs/adp-ae3xx_defconfig
index f3eabea..4351524 100644
--- a/configs/adp-ae3xx_defconfig
+++ b/configs/adp-ae3xx_defconfig
@@ -26,6 +26,7 @@
 CONFIG_DM_MMC=y
 CONFIG_MMC_NDS32=y
 CONFIG_FTSDC010=y
+CONFIG_FTSDC010_SDIO=y
 CONFIG_MTD=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_CFI_FLASH=y