msm8974: Lower gain slightly on speaker

 * Reduce gain slightly to reduce THD after latest measurements

Change-Id: I829dca49a28bcb489d4b5870f14bff276aacf478
msm8974: Enable high samplerate on supported paths

Change-Id: I2883bff18a6bdd5d20832667af494d0a6d401bb5
msm8974: Remove 16-bit format hack on mics

 * Fixed kernelside. Derp.

Change-Id: I21e9ef6d2821b671f3e58c1dcb7cd5eb085cb1d8
msm8974: Audio tuning and fixes

 * Add proper calibration and volume step table for AANC.
 * Chop the handset speakers with a 60Hz filter
 * Fix file modes

Change-Id: If171f1b5645a033ed7b4aa9964309e2167584773

Conflicts:
	audio/acdb/MTP_Handset_cal.acdb
	audio/acdb/MTP_Speaker_cal.acdb
msm8974: Update audio calibration and configuration

 * Merge recent adjustments from Oppo.
 * Disable AANC - it's not working properly
 * Refactor and simply mixer paths
 * Remove unused effects

Change-Id: Idd20a9d7effdbd0825ab61ca3e9e78bf51e0e1cd