ceph: add missing vol mount for encrypted osds
ceph: add missing vol mount for encrypted osds

"ceph-volume activate" on encrypted osds needs a ceph.conf as well as
connectivity to the mons. This commit adds that to that "activate-osd"
init container.

Closes: https://github.com/rook/rook/issues/4558
Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

rook/rook,rook/rook,rook/nfs,rook/nfs,rook/rook,rook/rook,rook/rook,rook/nfs