Patch merged into coreboot/master: 9361daf Fix some wait_for_valid functions return value from 1 to -1.

the following patch was just integrated into master:
commit 9361daf7fdaa6a4fa81c06e4cdfb7b42b2915051
Author: Andrew Wu 
Date:   Fri Aug 2 14:45:03 2013 +0800

Fix some wait_for_valid functions return value from 1 to -1.

codec_init expects wait_for_valid returns -1 for timeout, not 1.

Change-Id: I0f2a3ebb1934d0adaf13765434526bbc9efca9a3
    Signed-off-by: Andrew Wu 
    Reviewed-on: http://review.coreboot.org/3843
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth 
    Reviewed-by: Paul Menzel 
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/3843 for details.

-gerrit