Update cirros image name to match systest

Signed-off-by: Michael Marchetti <mmarchetti@sandvine.com>
diff --git a/descriptor-packages/vnfd/cirros_vnf/src/cirros_vnfd.yaml b/descriptor-packages/vnfd/cirros_vnf/src/cirros_vnfd.yaml
index 94fa5f1..6d5da86 100644
--- a/descriptor-packages/vnfd/cirros_vnf/src/cirros_vnfd.yaml
+++ b/descriptor-packages/vnfd/cirros_vnf/src/cirros_vnfd.yaml
@@ -29,8 +29,8 @@
                 storage-gb: 2
 
             # Image/checksum or image including the full path
-            image: 'cirros034'
-            #checksum: 
+            image: 'cirros-0.3.5-x86_64-disk.img'
+            #checksum:
 
             interface:
             # Specify the external interfaces