Enable the active-low recovery mode GPIO now that new boards are
available which have an external pull-up instead of a pull-down so
it can be asserted properly by servo.
This was tested on a Sarien system by holding the recovery button
on the servo board and tapping the cold reset button and ensuring
that it enters recovery mode.
Change-Id: I3216580bc94de71b05bf9382f15d0c4d428cb9fa
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/30721
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>