With the header cleanup we can now give this header a suitable name,
since it now really only contains register access and other I/O
functions and assorted definitions.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Only include what the header itself needs. The big fish here is
intel-gpu-tools.h. More will follow.
One ugly thing removed here is the duplicated GEN6_TD_CTL #define, one
of which was broken.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>