This was a work in progress but I cannot get it to work, so just
submitting it if someone has an idea or wants to debug it...
Modify the aw_mmc driver for the D1:
- BUFF_SIZE must be a multiple of 4 bytes
- BUFF_ADDR is a word address
- NEXT_DESP_ADDR is a word address
- DES_BASE_ADDR is a word address
Signed-off-by: Julien Cassette <julien.cassette@gmail.com>