Add speaker mixer controls for RAS test device for sdm660 for
offline RAS module tuning. Also rename audio_tuning_mixer.txt
to audio_tuning_mixer_tasha.txt as it is for tasha codec and
use audio_tuning_mixer.txt for internal codec target.
Change-Id: I020aacd48d06adfb041f43bd25dcb35b269ed46f
For tuning the Receiver Aided Stereo(RAS), add speaker mixer
controls for RAS test device for 8998. This is required for
offline RAS module tuning. Also change mixer control file name
from aanc_xxx.txt to audio_xxx.txt as this file not only used
for aanc anymore.
Change-Id: I1b937020793c7c0909e4e5265afc62224fde97e7