Set cable driver flag passed from Shipyard

Relates-to: submariner-io/shipyard#364
Signed-off-by: Daniel Farrell <dfarrell@redhat.com>

deploy_helm

@@ -51,6 +51,7 @@ function helm_install_subm() {
         --set broker.token="${submariner_broker_token}" \
         --set broker.namespace="${SUBMARINER_BROKER_NS}" \
         --set broker.ca="${submariner_broker_ca}" \
+        --set submariner.cableDriver="${cable_driver}" \
         --set submariner.clusterId="${cluster}" \
         --set submariner.clusterCidr="${cluster_CIDRs[$cluster]}" \
         --set submariner.serviceCidr="${service_CIDRs[$cluster]}" \