audio: hal: Initialize AFE configs by querying the kernel

- AFE configuration is not reset to default after a 24 bit playback.
- To fix this initialize the configurations by querying  the
  kernel for mixer bitwidth, samplerate, and channel configurations
  everytime.

Change-Id: Id68a41e36f40ce0d6720d92ee0ce048a266e48fa
4 files changed