Add lvm backend for cinder-volume

Add purge_repos: true to overrides.yaml

Change disk name for lvm

Change-Id: I75a144829d00fa06169c4e4315b2dc9bec796799
diff --git "a/\173\043 interfaces \043\175/bond2_contrail_dpdk_prv" "b/\173\043 interfaces \043\175/bond2_contrail_dpdk_prv"
new file mode 100644
index 0000000..a886064
--- /dev/null
+++ "b/\173\043 interfaces \043\175/bond2_contrail_dpdk_prv"
@@ -0,0 +1,9 @@
+{#- DPDK interface params for vrouter         #}
+{#- Requires:                                 #}
+{#-   _param:compute_vrouter_dpdk_mac_address #}
+{#-   _param:compute_vrouter_dpdk_pci         #}
+              # {{ interfaces_role }}
+              {%- for interface_name, interface in interfaces.items() %}
+{{- set_param('compute_vrouter_dpdk_pci', interface['dpdk_pci']) }}
+{{- set_param('compute_vrouter_dpdk_mac_address', interface['dpdk_mac']) }}
+              {%- endfor %}