patches: audio power hint reverts are no longer needed.

soundrecorder and movie record work ok now - audio power issue fixed upstream somewhere
use squisher

squisher used to be automatically on, but now it needs to be specified
tidy away an unused apk
dpi overrides need to be after the system defaults
build the ar6000.ko from src instead of using the prebuilt

re-arrange the location of the wifi firmware too
update patches
patches: save power by changing the wifi deep sleep timeout to 5mins from 15mins