Florian Pose <fp@igh.de> [Fri, 08 Sep 2017 14:39:38 +0200] rev 2685
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de> [Fri, 08 Sep 2017 13:50:06 +0200] rev 2684
Do not build GPIO part of CCAT if GPIO is not configured in kernel.