Support video systems

This is never a complete list, just what is known to me.

Release	Platform	Video hardware	supported by
2+	i386/amd64	NVidia GeForce2 Go	base Xorg, pkgsrc modular-xorg-server, nv driver
7+	amd64	Intel HD2000	base Xorg, igmafb driver
5+	i386/amd64	ATI Mobility Radeon HD 3650	base Xorg, ati driver
5+	amiga	native chipset	base Xorg
7	evbarm RPI	BCM2835 embedded GPU	base Xorg, genfb driver