Fix devices which do not support ifm_status. Always return TRUE for them.
Fix devices which do not support ifm_status. Always return
TRUE for them.

Reported by:	mdodd
Tested by:	Craig Rodrigues <rodrigc@crodrigues.org>

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase