oldconfig may wait for some input. Since we don't care while building tools,
just provide something.
Change-Id: I1c6f1b46957301886a7645cfb6c6bd264437aa7e
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: http://review.coreboot.org/11094
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1d915cae2b