Fix all the problems with the header files and userspace builds
off them. I really care so little about this, but hey who am
I to stop progress.

* 'drm-header-fixes' of https://github.com/GabrielL/linux: (30 commits)
  drm: fix inclusion of drm.h in via_drm.h
  drm: fix inclusion of drm.h in vmwgfx_drm.h
  drm: fix inclusion of drm.h in virtgpu_drm.h
  drm: fix inclusion of drm.h in tegra_drm.h
  drm: fix inclusion of drm.h in savage_drm.h
  drm: fix inclusion of drm.h in r128_drm.h
  drm: fix inclusion of drm.h in qxl_drm.h
  drm: fix inclusion of drm.h in omap_drm.h
  drm: fix inclusion of drm.h in msm_drm.h
  drm: fix inclusion of drm.h in mga_drm.h
  drm: fix inclusion of drm.h in exynos_sarea.h
  drm: fix inclusion of drm.h in i810_drm.h
  drm: fix inclusion of drm.h in exynos_sarea.h
  drm: fix inclusion of drm.h in drm_sarea.h
  drm: drm_mode.h fix includes
  drm: drm_fourcc.h fix includes
  drm: include drm.h in armada_drm.h
  include/uapi/drm/amdgpu_drm.h: use __u32 and __u64 from <linux/types.h>
  drm: Kbuild: add admgpu_drm.h to the installed headers
  drm: use __u{32,64} instead of uint{32,64}_t in virtgpu_drm.h
  ...