linux-phytec-fsl

drm/modes: add connector reference counting. (v2)

This uses the previous changes to add reference counts
to drm connector objects.

v2: move fbdev changes to their own patch.
add some kerneldoc

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>