configs: Drop CONFIG_MMC_NDS32

Remove CONFIG_MMC_NDS32 from the three config
(adp-ae3xx_defconfig, adp-ag101p_defconfig, nx25-ae250_defconfig).
Signed-off-by: NRick Chen <rick@andestech.com>
Signed-off-by: NRick Chen <rickchen36@gmail.com>
Cc: Greentime Hu <green.hu@gmail.com>

configs/adp-ae3xx_defconfig

@@ -24,7 +24,6 @@ CONFIG_DM=y
 CONFIG_CLK=y
 CONFIG_MMC=y
 CONFIG_DM_MMC=y
-CONFIG_MMC_NDS32=y
 CONFIG_FTSDC010=y
 CONFIG_FTSDC010_SDIO=y
 CONFIG_MTD=y

configs/adp-ag101p_defconfig

@@ -21,7 +21,6 @@ CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM=y
 CONFIG_MMC=y
 CONFIG_DM_MMC=y
-CONFIG_MMC_NDS32=y
 CONFIG_FTSDC010=y
 CONFIG_FTSDC010_SDIO=y
 CONFIG_MTD_NOR_FLASH=y

configs/nx25-ae250_defconfig

@@ -22,7 +22,6 @@ CONFIG_DM=y
 CONFIG_CLK=y
 CONFIG_MMC=y
 CONFIG_DM_MMC=y
-CONFIG_MMC_NDS32=y
 CONFIG_FTSDC010=y
 CONFIG_FTSDC010_SDIO=y
 CONFIG_DM_SPI_FLASH=y