Add default_share_type cfg option to manila

Tempest tests for manila requires default share type to be set/created
in manila conf. This patch updates the following cluster model to add
default_share_type option to manila.cfg

  * virtual-mcp-pike-ovs
  * virtual-mcp-pike-dvr
  * virtual-mcp-pike-dvr-ssl
  * virtual-mcp-pike-dvr-ssl-barbican

Change-Id: I3f5e007ab26a6f9438583d01bb26de2c25d11c65
diff --git a/classes/cluster/virtual-mcp-pike-dvr/openstack/share.yml b/classes/cluster/virtual-mcp-pike-dvr/openstack/share.yml
index 04de039..8cef3ce 100644
--- a/classes/cluster/virtual-mcp-pike-dvr/openstack/share.yml
+++ b/classes/cluster/virtual-mcp-pike-dvr/openstack/share.yml
@@ -19,3 +19,6 @@
           proto: static
           address: ${_param:single_address}
           netmask: 255.255.255.0
+  manila:
+    common:
+      default_share_type: default