Add ability to pass hardware metadata

Related-Prod: PRODX-00000
Change-Id: I4c377558ffe13e28f8ac5ced45262ff67556f46c
diff --git a/de/heat-templates/env/mstr3-wrkr3-cmp2-ntw3-lma3-osd3.yaml b/de/heat-templates/env/mstr3-wrkr3-cmp2-ntw3-lma3-osd3.yaml
index dd9cc99..e888cad 100644
--- a/de/heat-templates/env/mstr3-wrkr3-cmp2-ntw3-lma3-osd3.yaml
+++ b/de/heat-templates/env/mstr3-wrkr3-cmp2-ntw3-lma3-osd3.yaml
@@ -33,3 +33,4 @@
   lma_metadata: {"labels": {"role": "stacklight", "stacklight": "enabled"}}
   osd_metadata: {"labels": {"role": "ceph-osd-node"}}
   ntw_metadata: {"labels": {"tfanalytics": "enabled", "tfconfig": "enabled", "tfcontrol": "enabled", "tfwebui": "enabled", "tfconfigdb": "enabled", "tfanalyticsdb": "enabled"}}
+  hardware_metadata: ''