docs: add special config steps to make CephFS CSI v1.1.0
docs: add special config steps to make CephFS CSI v1.1.0

... work with Ceph v14.2.2 cluster that is not deployed by rook.

Fixes: #486
Signed-off-by: Ramana Raja <1313a362c0d8582c598799adfe7f06a7b14e2f97@redhat.com>

ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi