configurations: minerva: add AssetTag interface

Add Asset Tag interface on Minerva related configurations.

Change-Id: I508ea5c29fb92d53cefad61ea8d4b56b632b01dc
Signed-off-by: Yang Chen <yang.chen@quantatw.com>
diff --git a/configurations/minerva_cmm_scm.json b/configurations/minerva_cmm_scm.json
index 95ae059..b3ee10f 100644
--- a/configurations/minerva_cmm_scm.json
+++ b/configurations/minerva_cmm_scm.json
@@ -193,5 +193,8 @@
         "PartNumber": "$BOARD_PART_NUMBER",
         "SerialNumber": "$BOARD_SERIAL_NUMBER",
         "SparePartNumber": "$BOARD_INFO_AM1"
+    },
+    "xyz.openbmc_project.Inventory.Decorator.AssetTag": {
+        "AssetTag": "$PRODUCT_ASSET_TAG"
     }
 }