configuration: add an entry for the Loud Onyx 1640i device based on information supplied by Travis Kepley on the ffado-user mailing list.  Thanks Travis!

git-svn-id: http://subversion.ffado.org/ffado/trunk/libffado@2499 2be59082-3212-0410-8809-b0798e1608f0
configuration: fix a typo in the modelid field of the newly added 1640i entry.

git-svn-id: http://subversion.ffado.org/ffado/trunk/libffado@2500 2be59082-3212-0410-8809-b0798e1608f0
saffire: according to a post by Phil on the ffado-devel list, the new version 2.0 firmware for the pro24 has been tested by users and confirmed to work for audio.  Therefore remove the warning.  There may still be some issues with MIDI, but that is a separate consideration.

git-svn-id: http://subversion.ffado.org/ffado/trunk/libffado@2501 2be59082-3212-0410-8809-b0798e1608f0