Since Rocky bluestore is the default store type used by Kolla Ceph.
Filestore is still used by the customers. The patch allows deploy
both Ceph bluestore OSD and Ceph filestore OSD in Kolla-ansible CI
jobs.

Change-Id: Iaa7c1b2ff35eb649c3a6d9f7266463d8961cdc9e
Signed-off-by: tone.zhang <tone.zhang@arm.com>