build-avalon-image.sh: add --help --version
build-avalon-image.sh: add --help --version

archangdcc/avalon-extras,qinfengling/Avalon-extras,archangdcc/avalon-extras,Canaan-Creative/Avalon-extras,archangdcc/avalon-extras,archangdcc/avalon-extras,Canaan-Creative/Avalon-extras,Canaan-Creative/Avalon-extras,Canaan-Creative/Avalon-extras,qinfengling/Avalon-extras,qinfengling/Avalon-extras,archangdcc/avalon-extras,archangdcc/avalon-extras,qinfengling/Avalon-extras,qinfengling/Avalon-extras,Canaan-Creative/Avalon-extras,qinfengling/Avalon-extras,Canaan-Creative/Avalon-extras