merge xf86-video-geode 2.11.21, xf86-video-i128 1.4.1,
xf86-video-neomagic 1.3.1, and xf86-video-savage 2.4.0.

merge xf86-video-ati 19.1.0, xf86-video-amdgpu 19.1.0,
xf86-video-geode 2.11.20, and xf86-video-s3 0.7.0.

various updates for xorg-server 1.20. some of these are work-in-progress,
the xsrc build is broken for most ports currently.

- xf86DisableRandR() is gone
- use HAVE_NOTIFY_FD like other modern drivers in compat-api.h
- pRotatedPixmap is done
- some PixmanPtr is now DrawablePtr (this one is all over problem with many
consumers, and perhaps the major breakage point currently.)

need to include xorg-server.h

remove xorg-server.h from all the places we added it recently, as this
problem is now fixed more generally and globally.

include xorg-server.h which is normally included by config.h.

(this change isn't a candidate for upstream.)

initial import of xf86-video-geode-2.11.17

initial import of xf86-video-geode-2.11.15

initial import of xf86-video-geode-2.11.10

initial import of xf86-video-geode-2.11.8