Changed splash images

These look cooler.
Fix Touchscreen not shutting off when in sleep mode (flintman)

[...] there was an issue
with the way Char was being converted to int.  This was causing
the screen to stay on while in sleep causing a decent power drain.

Change-Id: I369ca4f7d069fa625141ae1ec6cbf1841ed7a178
clean up device tree

* remove old alsa audio
* remove bt stuff but keep code for reference
* remove unneeded permissions
disable arm pie
Add PowerHAL

* generic power hints
* screen-off max freq 700mhz
update prebuilt wifi modules

* new localversion
* new defconfig
tenderloinparts: support batled setting