ASoc: msm: qdsp6v2: fix crash due to version query

Race condition is observed if the response for the version
query is received before flags are cleared.
Reset the flag before apr packet is sent.

Change-Id: I39ea01a648550b057467bb7e09f5ee7a562c0ed4
Signed-off-by: Surendar karka <sukark@codeaurora.org>