Configure Flap-list on Cisco CMTS

This templates adds flaplist configuration to Cisco cmts - tested on Cisco uBR7200:

cable flap-list insertion-time seconds

cable flap-list power-adjust threshold db

cable flap-list miss-threshold misses

cable flap-list aging minutes

cable flap-list size number

If yes: clear cable flap-list all

If yes: clear cable modem all flap-counters