arm: mvebu: turris_omnia: remove unneeded macro from board config

This is not needed here since Omnia is using DM_PCI now.

Signed-off-by: Marek BehĂșn <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
1 file changed