sdlog2: TELE (telemetry status) message added, type for 'rssi' and 'remote_rssi' in 'telemetry_status' topic fixed to be consistent with 'noise'/'remote_noise' and mavlink message.
mavlink: bug in telemetry_status publication fixed
Merge pull request #661 from PX4/sdlog2_telemetry

sdlog2: TELE (telemetry status) message added