configurations: minerva_cmm: Add NetworkInterface

Add NetworkInterface to minerva_cmm.json.

Change-Id: I7fb7ec7d5cc4a060cef3f429902ec97f0b419a3d
Signed-off-by: Yang Chen <yang.chen@quantatw.com>
diff --git a/configurations/minerva_cmm.json b/configurations/minerva_cmm.json
index 1f77da5..8a7b0d0 100644
--- a/configurations/minerva_cmm.json
+++ b/configurations/minerva_cmm.json
@@ -259,5 +259,8 @@
         "Model": "$BOARD_PRODUCT_NAME",
         "PartNumber": "$BOARD_PART_NUMBER",
         "SerialNumber": "$BOARD_SERIAL_NUMBER"
+    },
+    "xyz.openbmc_project.Inventory.Item.NetworkInterface": {
+        "MACAddress": "$CHASSIS_INFO_AM2"
     }
 }