Xorg-servers update to 1.18.4 with driver updates and revision bumps.
Update xf86-video-ati to 7.8.0
Update xf86-video-intel to 2.99.917.20170103
Update xf86-input-synaptics to 1.9.0
Update xf86-input-evdev to 2.10.5
Update xf86-video-r128 to 6.10.2
Update xf86-video-rendition to 4.2.6
New port: xf86-video-geode
PR: 214591,216269,214687,214593,214715,216276,216277,216278,216287,
216288,216292,216298,214560,216299,216300,216301,216302
Approved by: swills (mentor, portmgr)
Differential Revision: https://reviews.freebsd.org/D9436
3f87b5cb51