hal: add support for multi-mic input and multi-channel output

add support for
- 3/4 mic input and 3/4 channel output
- support both fluence enabled and disabled usecase
- if fluence is not enabled o/p channel count is equal to number of
  input. if fluence is enabled o/p channel count is one for voice
  and VR usecase

Change-Id: I3039d9ca4acf191cd728c7ff833548f8c09351d2