Implemented under northbridge/ on other families.
Change-Id: I4d21af9d6c0f61eb1597e8e7095c08dd87ae2a84
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5649
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>