Export the SOC level function to set the After G3 state so it
can be changed by the mainboard. The setting will be restored
by a normal boot but in some circumstances coreboot wants to
ensure that it will be powered up again after a reset.
BUG=b:121380403
TEST=update cr50 firmware on sarien and reboot and ensure the
host does not power off after the cr50 initiated reset.
Change-Id: I6cd572ac91229584b9907f87bb4b340963203c32
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/31056
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>