Merge tag 'tilcdc-4.9-3.1' of https://github.com/jsarha/linux into drm-next

Merge tag 'tilcdc-4.9-3.1' of https://github.com/jsarha/linux into drm-next

Second attempt for 3rd drm/tilcdc pull request for v4.9.

* tag 'tilcdc-4.9-3.1' of https://github.com/jsarha/linux:
  drm/tilcdc: fix wrong error handling
  drm/tilcdc: Return directly after a failed kfree_table_init() in tilcdc_convert_slave_node()
  drm/tilcdc: Remove "default" from blue-and-red-wiring property binding
  drm/tilcdc: Fix non static symbol warning
  drm/tilcdc: mark symbols static where possible
  drm/tilcdc: add missing header dependencies
  drm/tilcdc: WARN if CRTC is touched without CRTC lock
  drm/tilcdc: Take CRTC lock when calling tilcdc_crtc_disable()
  drm/tilcdc: Remove unnecessary tilcdc_crtc_disable() from tilcdc_unload()
  drm/tilcdc: Flush flip-work workqueue before drm_flip_work_cleanup()
  drm/tilcdc: Clean up LCDC functional clock rate setting code
  drm/tilcdc: Take crtc modeset lock while updating the crtc clock rate