at91: ma5d4evk: Enable DM_SPI

AT91 ma5d4evk board uses atmel spi driver, enable DM_SPI to
use dm functionality.

Kept few functions related to non-dm and gpio on board
files for reference and will be remove once code moved
to relevant drivers.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
2 files changed