msm8974: oppo: Enable display partial update feature

 * Need to set the proper alignment and fix userspace parsing of
   panel attributes to get this working.
 * Enable for both JDI and Truly variants to save power.

Change-Id: I3c528c5c59029e500856979a3208d2fb8f039fa8
(cherry picked from commit 92eda14e1ef4793458f3179820bc638a90275bde)