[qemu/f20] (2 commits) ...Only dependy on qemu-sanity-check where it's currently available

[Cole Robinson]

Summary of changes:

  5489198... Enable qemu-sanity-check, however do not fail the build if  (*)
  81ec822... Only dependy on qemu-sanity-check where it's currently avai (*)

(*) This commit already existed in another branch; no separate mail sent