audio/msm7x30: Updates for MR2

* Update for HAL changes

Based on http://review.cyanogenmod.org/46036

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I8c255334c9bfa286354d718e0c10a27207472f35
msm7x30: update hal

 based on changes:
  http://review.cyanogenmod.org/#/c/47114/
  http://review.cyanogenmod.org/#/c/47202/
  http://review.cyanogenmod.org/#/c/47210/
  http://review.cyanogenmod.org/#/c/47231/

Change-Id: Ic747df7bb38b38a7100a5663eac26f2142c02ef8