Add OpenAudioGear ADATface, secondary USB interface - 0xADA2

Author: hansfbaier

1209/ADA2/index.md

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+---
+layout: pid
+title: ADATface - ADAT USB2 high speed audio interface
+owner: OpenAudioGear
+license: CERN-OHL-W-2.0
+site: https://github.com/hansfbaier/adat-usb2-audio-interface 
+source: https://github.com/hansfbaier/adat-usb2-audio-interface 
+---
+An Open Source USB2 high speed <-> ADAT Lightpipe audio interface
+I need another ID for the second USB interface on the soundcard.
+Operating systems choke if both interfaces with different layouts
+enumerate with the same ID.