ceph: osd add debug logs for ceph-volume on prepare
ceph: osd add debug logs for ceph-volume on prepare

Previously the debug flag was turned on for the 'activate' call only,
now 'prepare' will also take advantage of it.

Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

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