openh264: Add ARM64 support
openh264: Add ARM64 support

flexVDI/cerbero,ford-prefect/cerbero,GStreamer/cerbero,EricssonResearch/cerbero,atsushieno/cerbero,AlertMe/cerbero,superdump/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,EricssonResearch/cerbero,AlertMe/cerbero,AlertMe/cerbero,ikonst/cerbero,superdump/cerbero,GStreamer/cerbero,multipath-rtp/cerbero,ford-prefect/cerbero,nirbheek/cerbero,sdroege/cerbero,ramaxlo/cerbero,flexVDI/cerbero,ikonst/cerbero,nzjrs/cerbero,lubosz/cerbero,OptoFidelity/cerbero,fluendo/cerbero,centricular/cerbero,AlertMe/cerbero,lubosz/cerbero,fluendo/cerbero,GStreamer/cerbero,EricssonResearch/cerbero,sdroege/cerbero,multipath-rtp/cerbero,nirbheek/cerbero,justinjoy/cerbero,centricular/cerbero,ramaxlo/cerbero,centricular/cerbero,superdump/cerbero,AlertMe/cerbero,centricular/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,shoreflyer/cerbero,nzjrs/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,ikonst/cerbero,sdroege/cerbero,EricssonResearch/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,justinjoy/cerbero,nirbheek/cerbero-old,justinjoy/cerbero,GStreamer/cerbero,ikonst/cerbero,nirbheek/cerbero,OptoFidelity/cerbero,ramaxlo/cerbero,flexVDI/cerbero,jackjansen/cerbero,OptoFidelity/cerbero,sdroege/cerbero,fluendo/cerbero,nirbheek/cerbero-old,nirbheek/cerbero-old,multipath-rtp/cerbero,superdump/cerbero,nzjrs/cerbero,flexVDI/cerbero,ramaxlo/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,jackjansen/cerbero,nzjrs/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,lubosz/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,jackjansen/cerbero,atsushieno/cerbero,shoreflyer/cerbero,OptoFidelity/cerbero,atsushieno/cerbero,multipath-rtp/cerbero,shoreflyer/cerbero,centricular/cerbero,justinjoy/cerbero,multipath-rtp/cerbero,atsushieno/cerbero,nzjrs/cerbero,jackjansen/cerbero,ramaxlo/cerbero,atsushieno/cerbero,sdroege/cerbero,nirbheek/cerbero,ikonst/cerbero,EricssonResearch/cerbero,GStreamer/cerbero,lubosz/cerbero,shoreflyer/cerbero,ford-prefect/cerbero,flexVDI/cerbero,shoreflyer/cerbero,ford-prefect/cerbero,fluendo/cerbero,nirbheek/cerbero-old,fluendo/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero