snd_soc_msm_2x: add missing devices for usb audio

Change-Id: I3020bd84cb7d8031047bd8ff50a1cda49d5c4e21
Merge "snd_soc_msm_2x: add missing devices for usb audio" into cm-10.1
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1