Log Message:
Update to xf86-video-radeonhd-1.2.5. Changes:
- Added 2D acceleration for R6xx and R7xx.
- Added XVideo support for R6xx and R7xx.
- Added support for RS880 and RV790.
- Added RandR 1.3 mandatory properties.
- Refactoring of MC code.
- Enable DRI support by default on R5xx and RS6xx.
- LUT (color lookup table) fixes.
- Tons of quirk table entries and bug fixes.
- Fix register accesses for processors that reorder memory writes.