ASoC: msm: qdsp6v2: Don't update state variables for no-wait commands

Some of the afe commands that are sent to dsp are asynchronous
and the thread will not go into sleep. Do not modify any state
variable that are used for the synchronous commands to avoid
possible race conditions.

CRs-fixed: 538366
Change-Id: I10cf75ceb6749ffbdb05461ac0b3bdf944d59299
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>