future: fill missing futurize::from_tuple() functions
future: fill missing futurize::from_tuple() functions

Some variants of futurize::from_tuple() were missing; fill
them up.
Message-Id: <230df1640b854628507a40257f38be968dfd73df@scylladb.com>

dreamsxin/seastar,dreamsxin/seastar,scylladb/seastar,syuu1228/seastar,avikivity/seastar,cloudius-systems/seastar,scylladb/seastar,avikivity/seastar,syuu1228/seastar,scylladb/seastar,syuu1228/seastar,cloudius-systems/seastar,avikivity/seastar,dreamsxin/seastar,cloudius-systems/seastar