soc: qcom: msm_bus: add mutex lock for cllist data

Cldata needed to be protected by lock since crash
happened when synchronous update and free.

CRs-Fixed: 2034222
Bug: 62378596
Change-Id: Ied86461b784d69d9758dc3fc793a8a0de86e7f9c
Signed-off-by: Maria Yu <aiquny@codeaurora.org>