Merge pull request #47708 from rkachach/fix_issue_57160

mgr/rgw: adding support for rgw multisite

Reviewed-by: Adam King <adking@redhat.com>
Reviewed-by: Ali Maredia <amaredia@redhat.com>

diff --cc doc/cephadm/services/rgw.rst
Simple merge

diff --cc src/pybind/mgr/cephadm/serve.py
Simple merge

diff --cc src/pybind/mgr/cephadm/services/cephadmservice.py
Simple merge

diff --cc src/pybind/mgr/orchestrator/module.py
Simple merge

diff --cc src/python-common/ceph/deployment/service_spec.py
Simple merge