DTU: only schedule the finished event, if a cmd was in progress.
DTU: only schedule the finished event, if a cmd was in progress.

TUD-OS/gem5-dtu,TUD-OS/gem5-dtu,TUD-OS/gem5-dtu,TUD-OS/gem5-dtu,TUD-OS/gem5-dtu,TUD-OS/gem5-dtu,TUD-OS/gem5-dtu