Add -k consul dependency back in

Signed-off-by: Grant Griffiths <ggriffiths@purestorage.com>

demo/csi/portworx-csi-plugin/README.md

@@ -10,6 +10,7 @@ Before getting started, full documentation for using Portworx with Nomad can be
 * Portworx 2.8.0 or higher is required for using the Portworx CSI Driver on Nomad
 * Nomad 1.1.0 or higher is recommended for the full suite of volume operations
 * A minimum of 3 nodes is required for running Portworx on Nomad
+* Connection to a consul cluster is required
 
 ## Configure your Nomad clients
 

demo/csi/portworx-csi-plugin/portworx-csi-plugin.hcl

@@ -76,6 +76,7 @@ job "portworx" {
           "-c", "px-cluster-nomadv1",
           "-a",
           "-b",
+          "-k", "consul://127.0.0.1:8500",
           "--endpoint", "0.0.0.0:9015"
         ]