Merge pull request #61269 from cbodley/wip-rgw-createbucket-layout

rgw/s3: CreateBucket extension for layout type and shard count

Reviewed-by: Daniel Gryniewicz <dang@redhat.com>
Reviewed-by: J. Eric Ivancich <ivancich@redhat.com>

diff --cc src/rgw/driver/rados/rgw_bucket.cc
Simple merge

diff --cc src/rgw/driver/rados/rgw_rados.cc
Simple merge

diff --cc src/rgw/driver/rados/rgw_rados.h
Simple merge

diff --cc src/rgw/driver/rados/rgw_sal_rados.cc
Simple merge

diff --cc src/rgw/rgw_op.cc
Simple merge

diff --cc src/rgw/rgw_sal.h
Simple merge