DO NOT MERGE: g2: changes for major kernel update

goes together with kernel update from LG sources.
switch over to using caf sources, change to new
PM sysfs in the initscript, and other stuff to get
the kernel to boot.

changes:
 ps4 : add dependency on display-caf-new and use it
 ps6 : configs based on stock, appease new thermal blob
 ps7 : update init script, add sound effects config
 ps8 : adapt to new drivers, cleanup, use media-caf-new
 ps9 : fix liblights
 ps10: fix incall audio, update some build props
 ps11: fix media, video
 ps13: cleanups
 ps17: rebase and fix conflicts

Change-Id: I72f07a021987072d4929fea81eb6cc4da22437dc
sec_config: Update IPC router security configuration

* Grant access to new sensors user

Change-Id: I424b2e08c4254aadc55080a267251f8008af0623