Patch merged into coreboot/master: intel/skylake: Enable signalling of error condition

the following patch was just integrated into master:
commit 90ed31beac54f6380a78a4b3c51c8fab434db95b
Author: Patrick Georgi 
Date:   Fri Jul 29 18:37:56 2016 +0200

intel/skylake: Enable signalling of error condition

Testing for "devfn < 0" on an unsigned doesn't work, and i2c_bus_to_devfn
    returns an int (with -1 for "error"), so use int for devfn.

Change-Id: I7d1cdb6af4140f7dc322141c0c018d8418627434
    Signed-off-by: Patrick Georgi 
    Found-by: Coverity Scan #1357450, #1357449
    Reviewed-on: https://review.coreboot.org/15964
    Reviewed-by: Duncan Laurie 
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel

See https://review.coreboot.org/15964 for details.

-gerrit