drm/radeon: drop drmP.h from header files

To ease conversion of .c files drop include of
drmP.h from all header files.
And fix-up build errors caused by this.

Signed-off-by: Sam Ravnborg <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Cc: "Christian König" <[email protected]>
Cc: "David (ChunMing) Zhou" <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
3 files changed