meta: darwin: Add SparePartNumber to chassis config

Change-Id: I9e366fa2419691812e3f8cceddc46b52d452501f
Signed-off-by: Robert Ercean Dima <robert3@meta.com>
diff --git a/configurations/meta/darwin_chassis.json b/configurations/meta/darwin_chassis.json
index 84c9d02..796495e 100644
--- a/configurations/meta/darwin_chassis.json
+++ b/configurations/meta/darwin_chassis.json
@@ -8,6 +8,6 @@
         "Model": "N/A",
         "PartNumber": "N/A",
         "SerialNumber": "$SerialNumber",
-        "SparePartNumber": "N/A"
+        "SparePartNumber": "20-002749"
     }
 }