Update scylla-ami submodule
Update scylla-ami submodule

* dist/ami/files/scylla-ami b3b85be...398b1aa (3):
  > Import AMI initialization code from scylla-server repo
  > Use long options on scylla_raid_setup and scylla_sysconfig_setup
  > Wait more longer to finishing AMI setup

avikivity/scylla,duarten/scylla,raphaelsc/scylla,duarten/scylla,avikivity/scylla,duarten/scylla,kjniemi/scylla,scylladb/scylla,scylladb/scylla,kjniemi/scylla,raphaelsc/scylla,scylladb/scylla,scylladb/scylla,avikivity/scylla,kjniemi/scylla,raphaelsc/scylla