alsa-mixer: updated Sennheiser GSX 1200 device ID
Add new GSX 1200 device ID changed with recent firmware update.
Fixes: #1223 (closed)
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The migration is almost done, at least the rest should happen in the background. There are still a few technical difference between the old cluster and the new ones, and they are summarized in this issue. Please pay attention to the TL:DR at the end of the comment.
Add new GSX 1200 device ID changed with recent firmware update.
Fixes: #1223 (closed)