asoc: sm8150: sleep before sending q6core ready query

After PDR, audio avs services still are initializing state.
Avoid sending q6core command after PD up event immediately,
wait for sometime before sending the q6core ready command.

Change-Id: I5e740375b1b7c73e206d9c456bd8737f5c77795a
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
Signed-off-by: Pavel Dubrova <pashadubrova@gmail.com>