No in-tree board using that chipset has it not selected, so move selection from boards to southbridge. (cimx/sb800 is a "different" chipset) Change-Id: If7cf2a141a1f2df60f687c51fbd760aa405c8480 Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-on: http://review.coreboot.org/666 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Tested-by: build bot (Jenkins)