ASoC: msm: Add support for AFE RTAC

Implement AFE get and set parameter interfaces. These new
interfaces are used to support AFE real-time calibration
through QACT tool as part of AANC tuning process.

Change-Id: Ieba57a9a79fae3906fb3cb7f59b00d221ad07738
Signed-off-by: Jay Wang <jaywang@codeaurora.org>