VMware: update cinder support for VMware configuration settings

The review https://review.openstack.org/#/c/41600 was update to
have a 'vmware' prefix for all of the VMware cinder settings. These
were previously in a 'vmware' section and now they are in the
'DEFAULT' section.

Change-Id: I8eadfb0f64914d3b0667760aff651415df48f627
diff --git a/lib/cinder b/lib/cinder
index 54cf844..ec5a356 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -289,12 +289,11 @@
         fi
     elif [ "$CINDER_DRIVER" == "vsphere" ]; then
         echo_summary "Using VMware vCenter driver"
-        iniset $CINDER_CONF DEFAULT enabled_backends vmware
-        iniset $CINDER_CONF vmware host_ip "$VMWAREAPI_IP"
-        iniset $CINDER_CONF vmware host_username "$VMWAREAPI_USER"
-        iniset $CINDER_CONF vmware host_password "$VMWAREAPI_PASSWORD"
-        iniset $CINDER_CONF vmware cluster_name "$VMWAREAPI_CLUSTER"
-        iniset $CINDER_CONF vmware volume_driver "cinder.volume.drivers.vmware.vmdk.VMwareVcVmdkDriver"
+        iniset $CINDER_CONF DEFAULT vmware_host_ip "$VMWAREAPI_IP"
+        iniset $CINDER_CONF DEFAULT vmware_host_username "$VMWAREAPI_USER"
+        iniset $CINDER_CONF DEFAULT vmware_host_password "$VMWAREAPI_PASSWORD"
+        iniset $CINDER_CONF DEFAULT vmware_cluster_name "$VMWAREAPI_CLUSTER"
+        iniset $CINDER_CONF DEFAULT volume_driver "cinder.volume.drivers.vmware.vmdk.VMwareVcVmdkDriver"
     fi
 
     if [[ is_fedora && $DISTRO =~ (rhel6) ]]; then