Merge tag 'hdlcd-for-v4.13-v3' of git://linux-arm.org/linux-ld into drm-next

hdlcd fixes.

* tag 'hdlcd-for-v4.13-v3' of git://linux-arm.org/linux-ld:
  drm/arm: hdlcd: remove unused variables
  drm/arm: hdlcd: Use CMA helper for plane buffer address calculation
  drm/arm: hdlcd: Set the CRTC's port before binding the encoder.