taoshan: initial import and rebase of device tree

clean up huashan old files
cleaned up audio & media
fix camera
Reorder commits (several times)
fixup up audio
taoshan: overlay: change camera package name

Camera functionality was moved out of Gallery2 in 4.4(kitkat).
New package name is Camera2.
taoshan: remove huashan un-needed init files

Bye-bye Init.device.rc (nice having you over from from huashan but you have to go now)
All the blobs sorted and updated

delete libexternal prebuilt
taoshan: build some blobs from source
Move audio_firmware_file and /data/misc/audio entry to core sepolicy.

needed after external/sepolicy changes