First step towards adding i915 alike encoder and connector abstractions. This will make life easier when adding i915 output code into our driver. It also removes the old psb_intel_output struct. Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>