Update eiscp-commands.yaml

Updated with ISCP AV Receiver v124-1.xls to support:

TX-NR414/515/616,DTR-20.4/30.4
TX-NR515AE/616AE,TX-NR717/818/818AE,DTR-40.4/50.4
TX-NR1010/3010/5010,DTR-70.4