usbaudio: Backport from 3.4

Change-Id: I389cfc20e1856700781c65465947319cf09cf7cd
cm: Regenerate all configurations

Change-Id: I7fd9ee161cf829c5465b54d35cf9b5ab5f738fea
cm: Update defconfigs

 * Match T0 changes

Change-Id: Ifb36f21ff22f0ca67f82e025710848d210b40b38