Constant platforms::platform::tier3::SPARC64_UNKNOWN_NETBSD

pub const SPARC64_UNKNOWN_NETBSD: Platform = Platform{target_triple: "sparc64-unknown-netbsd",
         target_arch: Arch::SPARC64,
         target_os: OS::NetBSD,
         target_env: None,
         tier: Tier::Three,}

sparc64-unknown-netbsd: NetBSD/sparc64