msm: camera: sensor: Add changes to prevent unmap buffers

The function cam_mem_mgr_release can unmap buffers when in use.
This change with cam_mem_put_cpu_buf prevents unmaping the buffers in use.

CRs-Fixed: 3489559
Change-Id: I9c4e284c5961a2eb4ff0df362c93d6cea7d77cab
Signed-off-by: illa lakshmi soujanya <quic_illa@quicinc.com>