msm: camera: cdm: Making WQ to have inflight works to be one

For requests with multiple BL tags,in a corner case,
cdm work notifies out of order requests to client as
difference in bl_tags is greater than boundary check.

This commit avoids out of order request processing by
making number of inflight work to be 1 and increasing
the priority of workqueue. And therefore removed all
checks that are not required.

CRs-Fixed: 3453131
Change-Id: I6db3e9379b2474347cff1618ea6ad705ca3561fb
Signed-off-by: zhuo <quic_zhuo@quicinc.com>
Signed-off-by: Shivakumar Malke <quic_smalke@quicinc.com>