[ffmpeg/f28] (15 commits) ...Merge branch 'f29' into f28

Summary of changes: 9f93887... Add support for rpi (*) bae9589... Enable vmaf (*) 0c8ba19... Add ExclusiveArch for rpi (*) e83888d... Correct project case, either rpmfusion or RPM Fusion (*) 2965d22... Fixes for cuda enabled repo (*) 60ade17... Apply path conditionally (*) b541aeb... Rework build dependencies for cuda (*) bbb6f16... Fixup rpi br (*) f0acf4b... Add omx/omx_rpi support (*) 7f5ac51... Add upstream patch for vmaf 1.3.9 support (*) 9512b90... Update changelog (*) bc3ce6d... Enable libssh support by default (rfbz#5135) (*) ef0722a... Patch to fix CVE-2019-9718 and CVE-2019-9721 (*) 7fe21d2... Revert "Merge branch 'master' into f28" f1b76f1... Merge branch 'f29' into f28 (*) This commit already existed in another branch; no separate mail sent