Update SeaBIOS stable to the release-1.7.1 commit

Change-Id: I0dffe89c31e45914f795d9ad8efb787b5fdbb7a8
Signed-off-by: Peter Stuge <peter@stuge.se>
Reviewed-on: http://review.coreboot.org/1583
Tested-by: build bot (Jenkins)
2 files changed