Specify ssh key when copying kubeconfig file

Change-Id: Icb5b0abef6723c14812771ddb9ad3c2a0ab96518
Issue-ID: INT-1075
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
diff --git a/deployment/heat/onap-rke/scripts/deploy.sh b/deployment/heat/onap-rke/scripts/deploy.sh
index 7e8bdf7..e4e7d18 100755
--- a/deployment/heat/onap-rke/scripts/deploy.sh
+++ b/deployment/heat/onap-rke/scripts/deploy.sh
@@ -266,7 +266,7 @@
     ./rke remove
 done
 
-scp ./kube_config_cluster.yml root@$RANCHER_IP:/root/.kube/config
+scp -i $SSH_KEY ./kube_config_cluster.yml root@$RANCHER_IP:/root/.kube/config
 popd