fix bz 1550271: restore mpath defaults config

Signed-off-by: Huamin Chen <hchen@redhat.com>

roles/openshift_node/templates/multipath.conf.j2

@@ -13,3 +13,8 @@ devices {
                 rr_weight "uniform"
         }
 }
+defaults {
+	user_friendly_names yes
+	find_multipaths yes
+}
+