radv/ci: re-enable fossils testing
It has been disabled in December 2021 due to unreliability, and never got re-enabled.
VEGA10 is currently failing, so we disabled it. Future MRs will fix it.
Suggested-by: Samuel Pitoiset samuel.pitoiset@gmail.com Signed-off-by: Martin Roukala (né Peres) martin.roukala@mupuf.org