[vlc/f30] (24 commits) ...Merge branch 'master' into f30

Summary of changes: c6d1b17... Rebuild for dav1d and aom SONAME bump (*) f4574e5... KMA (*) cd672b5... Restore ciphers policy for gnutls (*) b5ab699... Add el8 support (*) 95341b0... Bump release (*) 55623b6... Drop kde-filesystem support (*) 01e0109... Update changelog (*) 78849c8... Drop any phonon support for RHEL (*) 48d97b5... Update to 20191014 (*) bc72c5e... Update mmal patch (*) e7263e5... Rebuild for dav1d SONAME bump (*) 4f47bb5... rebuild for libdvdread ABI bump (*) aba68d5... Rebuild for dav1d 0.5.1 (*) 23d716d... Revert "Rebuild for dav1d 0.5.1" (*) afb754f... Rebuild for new x265 (*) 3c95485... Mass rebuild for x264 (*) 23b19ea... Rebuild for new libplacebo version (*) 2c95fdb... Update libplacebo patch (*) 8a90824... Rebuild for new protobuf version (*) 2b644df... Update snapshot (*) 268a8d9... Enable mmal-avcodec for rpi (*) a490358... disable libssh2 on el8 (*) b83425f... Fixup sftp disabled for el8 (*) f2f9b67... Merge branch 'master' into f30 (*) This commit already existed in another branch; no separate mail sent