ASoC: qcom: sc7180: Register shutdown handler for lpass platform

Register shutdown handler to stop sc7180 lpass platform driver
and to disable audio clocks.

Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Link: https://lore.kernel.org/r/1605292702-25046-1-git-send-email-srivasam@codeaurora.org


Signed-off-by: Mark Brown <broonie@kernel.org>