Add prompt to Boot Timeout so that it can be easily configured
from a config file.
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I62b8f0a9b5bc0796506b991199a457d6b34ae494
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62558
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
63c6d814ce