Experiments have shown that writing plain value of 6 at byte io address of 0xcf9 causes the systems to reset and reboot reliably. Change-Id: Ie900e4b4014cded868647372b027918b7ff72578 Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: http://review.coreboot.org/1050 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>