Build setup_fs

* Used for formatting data after unlock,
  as the userdata partition is zeroed out after unlock,
  but a filesystem isn't created.

Change-Id: I17aba9ed9778431e48f9605d10a7fde8be9b7b86
sony-common: use fixed sort

Change-Id: I0a9e2cd4731bf2474537b2733a6e1dc0898743b7