Import drm from Linux 3.15 (commitid 1860e379875dfe7271c649058aeddffe5afd9d0d).

   drivers/gpu/drm      -> sys/external/bsd/drm2/dist/drm
   include/drm          -> sys/external/bsd/drm2/dist/include/drm
   include/uapi/drm     -> sys/external/bsd/drm2/dist/uapi/drm

GPL sources excluded.
Import the part of Nouveau that got eaten by CVS default ignore patterns.

No, this is *not* a core file.  This is a directory with most of the
source code!