Move ssh-key to rw-vnfd

Signed-off-by: Philip Joseph <philip.joseph@riftio.com>
diff --git a/src/vnfd/ping_vnf/ping_vnfd.yaml b/src/vnfd/ping_vnf/ping_vnfd.yaml
index 8888f50..1b1e4dd 100644
--- a/src/vnfd/ping_vnf/ping_vnfd.yaml
+++ b/src/vnfd/ping_vnf/ping_vnfd.yaml
@@ -75,7 +75,7 @@
                 vnfd:path: api/v1/ping/stats
                 vnfd:port: '18888'
             vnfd:port: '18888'
-            vnfd:ssh-key: 'true'
+            rw-vnfd:ssh-key: 'true'
             vnfd:vdu-id: iovdu_0
         vnfd:monitoring-param:
         -   vnfd:description: no of ping requests