util/futility: Don't refresh the binary all the time

util/futility: Don't refresh the binary all the time

Due to the phony dependency to check for openssl, vboot-futility
was always rebuilt, and because it was newer than coreboot-futility,
it was always copied over.

Do that in parallel often enough and you run into race conditions,
as we did on our builders. Mark check-openssl-presence as order-only
dependency so that it's executed (and can bail out) but doesn't force
regeneration of vboot-futility.

Change-Id: Ib7fb798096d423d6b6cba5d199e12fe5917c3b41
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47453
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>