msm8974: Enable ULPS for Truly panel too.

Change-Id: I7c333bb01a0ba4c6fda1ebae51bc491215251e77
msm8974: Fix a screen corruption issue

 * Diogo noticed that Facebook's popups were leaving artifacts
   when you moved them around.
 * Adjust the partial-update ROI alignment to compensate for
   this case.

Change-Id: I2f57b0b17596dabdae89b173e0b932959ceb1db4