A new Kconfig option tells YABEL to succeed on write accesses on other devices' config space without performing the actual write. This is enough for some basic bus modification done by some Option ROMs. Change-Id: Iab04f3a5c350b96654da4ba26858037f4c4b5c0a Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com> Reviewed-on: http://review.coreboot.org/1249 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>