Patryk/add ek874 support
This PR adds ek874 support to LAVA. It also fixes up some of the health-check copyright headers and allows users to modify device-type templates/health-checks when the LAVA master is already running
This PR adds ek874 support to LAVA. It also fixes up some of the health-check copyright headers and allows users to modify device-type templates/health-checks when the LAVA master is already running