[coreboot] Patch merged into coreboot/master: f4c3508 import i2c header from u-boot

the following patch was just integrated into master:
commit f4c35083d0e9c2413eff900ac031dd47753ad847
Author: David Hendricks 
Date:   Thu Dec 27 14:15:51 2012 -0800

import i2c header from u-boot

This just imports a header. We may wish to modify the i2c interface
    and/or unify it with the smbus interface we currently have.

Change-Id: I314f3aef62be936456c6c3e164a3db2c473b8792
    Signed-off-by: David Hendricks 
    Reviewed-on: http://review.coreboot.org/2079
    Tested-by: build bot (Jenkins)
    Reviewed-by: Ronald G. Minnich

Build-Tested: build bot (Jenkins) at Fri Dec 28 04:00:24 2012, giving +1
Reviewed-By: Ronald G. Minnich  at Sat Dec 29 15:34:26 2012, giving +2
See http://review.coreboot.org/2079 for details.

-gerrit