cpustates: added transition timeline option
cpustates: added transition timeline option

Added an option to generate a timeline of state transitions, in
contrast to the existing timeline of computed states. This is primarily
intended for debugging of the latter, but may also be useful for certain
kinds of analyses.

jimboatarm/workload-automation,bjackman/workload-automation,jimboatarm/workload-automation,jimboatarm/workload-automation,bjackman/workload-automation,bjackman/workload-automation,jimboatarm/workload-automation,bjackman/workload-automation,jimboatarm/workload-automation,bjackman/workload-automation,jimboatarm/workload-automation,bjackman/workload-automation