config files are rename()d, which fails across filesystem borders. So force temporary config files in current directory. Change-Id: I583c2ab9a822a6f99f838778aa17ffd2d47eaed1 Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-on: http://review.coreboot.org/680 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>