dlx: Sync GPU configuration with the M7 / upstream
dlx: Synch the code (but not the cmds) with M7 / upstream

I updated the code to be more inline with the original HTC code,
switch to using the last_init / early_off interface and to update
the panel configuration.
Version 4.1.0
monarudo: add missing dsi_pll regulator supply

Originally introduced in patch ID:
  fb4e77edf9ce62aa836e8406aa9dfc1bf9aecab5
  "msm: display: Add DSI clock control for MDP GDHS power collapse"
Version 4.1.1