Support Ubuntu 20.04, 22.04, Fedora 35 in build_oai, additional fixes, drop old distros
Ubuntu 20.04 compilation support added in buil-oai Compilation flag updated for native architecture
Signed-off-by: Manish Manish1.Kumar@amd.com
Robert Schmidt:
- some cleanup
- drop Ubuntu 14.04, 17.04, and 17.10 (16.04 is still used in the CI)
- protobuf is installed from repo if available
- add support for Fedora 35
- add support for Ubuntu 22
- fix issue #539 (closed)