configurations: minerva_cmm: support CMM with motherboard interface

Add a Motherboard interface on the CMM board.

Change-Id: I54bae0ed5e476d49806f182bcbb9b12509f44bd9
Signed-off-by: Yang Chen <yang.chen@quantatw.com>
diff --git a/configurations/minerva_cmm.json b/configurations/minerva_cmm.json
index f24b943..04cef97 100644
--- a/configurations/minerva_cmm.json
+++ b/configurations/minerva_cmm.json
@@ -259,6 +259,9 @@
     "xyz.openbmc_project.Inventory.Decorator.AssetTag": {
         "AssetTag": "$PRODUCT_ASSET_TAG"
     },
+    "xyz.openbmc_project.Inventory.Item.Board.Motherboard": {
+        "ProductId": 1
+    },
     "xyz.openbmc_project.Inventory.Item.NetworkInterface": {
         "MACAddress": "$CHASSIS_INFO_AM2"
     }
diff --git a/configurations/minerva_cmm_hsc_infineon.json b/configurations/minerva_cmm_hsc_infineon.json
index 0093c9f..feb98db 100644
--- a/configurations/minerva_cmm_hsc_infineon.json
+++ b/configurations/minerva_cmm_hsc_infineon.json
@@ -261,6 +261,9 @@
     "xyz.openbmc_project.Inventory.Decorator.AssetTag": {
         "AssetTag": "$PRODUCT_ASSET_TAG"
     },
+    "xyz.openbmc_project.Inventory.Item.Board.Motherboard": {
+        "ProductId": 1
+    },
     "xyz.openbmc_project.Inventory.Item.NetworkInterface": {
         "MACAddress": "$CHASSIS_INFO_AM2"
     }