Add some error message if pci revision < 4
Add some error message if pci revision < 4

facboy/xserver-xorg-video-qxl,fgouget/xf86-video-qxl,facboy/xserver-xorg-video-qxl,dezelin/xf86-video-qxl,dezelin/xf86-video-qxl,fgouget/xf86-video-qxl,facboy/xserver-xorg-video-qxl,fgouget/xf86-video-qxl,facboy/xserver-xorg-video-qxl,dezelin/xf86-video-qxl,fgouget/xf86-video-qxl