dsp: get excursion logging at afe close for wsa and log data

Trigger xt logging getparam at every playback close
and store data. When app queries sys/class node, return
stored values and reset to 0 for some params as per
app requirement.

Change-Id: Ice1a3e9a7e03062390f1c36184a971635e55d450
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>