Merge remote-tracking branch 'quic/dev/msm-4.14.c12-display' into msm-4.14.c12

* quic/dev/msm-4.14.c12-display:
  drm/dp_mst: Stop releasing VCPI when removing ports from topology

Change-Id: I589f5a09e747012df86b017f995f41e24451f3eb
Signed-off-by: ckosuru <kosuru@codeaurora.org>