pyramid: Bring post-boot script items into main init script

 Enable cpu.notify_on_migrate
 Remove deprecated qcom.post_boot.sh
 Correct cpufreq sysfs perms
 Set cpu1 online during boot
 Enable wake on volume
Torch and camera changes
- use sysfs instead of camera interface for torch
- show scene modes
Add some system.prop tweaks
Merge https://github.com/ivanich/android_device_htc_pyramid into aospa-kk

Conflicts:
	device_pyramid.mk
	overlay/frameworks/base/core/res/res/values/pa_config.xml
	rootdir/etc/init.pyramid.rc