arm: mvebu: turris_omnia: use MMC driver model

Enable DM_MMC for compliance with the driver model migration.

Signed-off-by: Pierre Bourdon <delroth@gmail.com>
Cc: Marek Behun <marek.behun@nic.cz>
Signed-off-by: Stefan Roese <sr@denx.de>
1 file changed