Add interface for openpower inventory items

Items having properties applicable exclusively to openpower
specifications need to have their own custom interfaces.

This change introduces a single interface - the Asset interface.

Change-Id: Ia3e75b504ad8760fbcb0ecce06fe123e6f9d0e85
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
diff --git a/org/open_power/Inventory/Decorator/Asset.interface.yaml b/org/open_power/Inventory/Decorator/Asset.interface.yaml
new file mode 100644
index 0000000..bd8a4ee
--- /dev/null
+++ b/org/open_power/Inventory/Decorator/Asset.interface.yaml
@@ -0,0 +1,9 @@
+description: >
+    Implement to provide item physical asset attributes.
+properties:
+    - name: CCIN
+      type: string
+      description: >
+          Customer card identification number.
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4