utils/trace_cmd: move params to __init__()
utils/trace_cmd: move params to __init__()

Move the check_for_markers and events parameters from parser() to
__init__(). These parameters control the behavior of the parser, and do
not relate to a particular trace file, so it makes more sense to have
them there.

setrofim/workload-automation,lisatn/workload-automation,setrofim/workload-automation,setrofim/workload-automation,lisatn/workload-automation,lisatn/workload-automation,ARM-software/workload-automation,ARM-software/workload-automation,ARM-software/workload-automation,setrofim/workload-automation,lisatn/workload-automation,ARM-software/workload-automation