gpio_dump utility. Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3304 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1