Merge branch 'for-next' of http://git.agner.ch/git/linux-drm-fsl-dcu into drm-next

fsl-dcu pixel clock polarity support
* 'for-next' of http://git.agner.ch/git/linux-drm-fsl-dcu:
  drm/fsl-dcu: use bus_flags for pixel clock polarity
  drm: introduce bus_flags in drm_display_info