That wipes out all previously stored settings and breaks running devices
in ACPI mode.
This more closely matches what is done in intel/baytrail.
Change-Id: Ie993c9f9e1eceb73d016d2df72770a27abb26ec1
Signed-off-by: Ben Gardner <gardner.ben@gmail.com>
Reviewed-on: https://review.coreboot.org/14040
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>