Add newline to usage information
Add newline to usage information

Change-Id: Ib972a26ca2ec2ba2f8cff1e2339c125365d84438

advancedtelematic/sota_client_cpp,advancedtelematic/aktualizr,advancedtelematic/aktualizr,advancedtelematic/sota_client_cpp,advancedtelematic/aktualizr,advancedtelematic/aktualizr