bebob: add support for Apogee ensemble

Apogee Ensemble is confirmed as a BeBoB based device.
Apogee Mini-Me Firewire/Mini -DAC Firewire are also BeBoB based devices but
the IDs are unknown.
bebob: nominate Behringer FCA/XENIX UFX/Digital Mixer X32 series

Some of them are BeBoB based devices.
 - F-Control Audio 610/1616
 - XENIX UFX 1204/1604
 - Digital Mixer X32 series (U-FX Card)

I note that FCA204 is OXFW970 based device.
bebob: improvement for device entry