Add ability to pass hardware metadata

Related-Prod: PRODX-00000
Change-Id: I4c377558ffe13e28f8ac5ced45262ff67556f46c
diff --git a/de/heat-templates/env/compute.yaml b/de/heat-templates/env/compute.yaml
index 0a2bf60..eb31703 100644
--- a/de/heat-templates/env/compute.yaml
+++ b/de/heat-templates/env/compute.yaml
@@ -23,3 +23,4 @@
   worker_metadata: {"labels": {"openstack-control-plane":"enabled","openvswitch":"enabled","role":"ceph-osd-node"}}
   cmp_metadata: {"labels": {"openstack-compute-node":"enabled","openvswitch":"enabled", "role":"ceph-osd-node"}}
   gtw_metadata: {"labels": {"openvswitch":"enabled"}}
+  hardware_metadata: ''