board: Drop ftsdc010 non-dm code

Remove board_mmc_init() in adp-ag101p, adp-ae3xx
and nx25-ae250 boards.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Cc: Greentime Hu <green.hu@gmail.com>
3 files changed