audio-kernel :Send response to rtac module for cmd_state_pp in non waiting

APPS sends timeout due to mishandling of callback event between RTC and ASM
driver even if they get callback from ADSP. Check for the cmd_state_pp in
ASM before RTAC callback.

Change-Id: I78cb6735b19b53a44f550948efd05446ff8950ad
Signed-off-by: E V Ravi <evenka@codeaurora.org>