arm: at91: mpddrc: add missing MPDDRC_MD defines

add missing MPDDRC_MD defines

Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
1 file changed