asoc: msm-lsm-client: deregister SM even if SVA is not started

To prevent potential memory leaks in kernel and ADSP, always try to
deregister sound model in msm_lsm_close so that sound model and
calibration buffer can be freed.

Change-Id: If665fcb00f67fa268a4c543649fee12627fccedd
Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>