[vlc/f32] (9 commits) ...More fixes for el7

Summary of changes: 768c694... Enable aom dav1d asdcp for all (*) 7555b0e... ifarch asdcplib (*) eb9238b... Update to 20200402 (*) f9bf28c... Update for qt5-qtwayland and phonon for el8 (*) 456e096... Switch to gitlab snapshot (*) 1d36e5a... Add patch for dvdnav/read (*) 86e1df2... Update changelog (*) 46a6493... Fix for el7 (*) 844ed5d... More fixes for el7 (*) (*) This commit already existed in another branch; no separate mail sent