Merge remote-tracking branch 'quic/dev/msm-4.14-display' into msm-4.14

* quic/dev/msm-4.14-display:
  drm/msm/dp: fix the controller programming sequence
  drm/msm/dp: add debugfs node to set/get max pclk
  drm/msm/dp: fix reading of edid extension blocks

Change-Id: I765b3b9ebee6d6a00f10945a65b8f56615670646
Signed-off-by: Namratha Siddappa <namratha@codeaurora.org>
CRs-Fixed: 2223669