qxl_driver: whitespace fixes
qxl_driver: whitespace fixes

removing whitespace in lines consisting only of it.
most of those areas are touched later, but not all.

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