we do not provide a framebuffer

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
get rid fo KMS stuff - we are render node only

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
hdmi cleanup #2

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
get rid of fbdev and cleanup msm_drm_private

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>