Merge branch '1079-confdb-routeros-ntp' into 'master'

Resolve "ConfDB: RouterOS ntp"

Closes #1079

See merge request !2454

(cherry picked from commit bb6c295f)

b3dc8409 confdb routeros add ntp timesource
6fd857e4 confdb routeros add ntp timesource fix
9f7ca3e7 confdb routeros add ntp servers
1716c64f confdb routeros add ntp fix
62af1ac8 confdb routeros-ntp. fix2 ntp
13 jobs for !2543 with cherry-pick-bb6c295f in 19 minutes and 36 seconds (queued for 13 seconds)
merge request