Update json configuration with correct Fru field

Updated all configuration json files by replacing
PRODUCT_PRODUCT_SERIAL_NUMBER to PRODUCT_SERIAL_NUMBER
as per Fru field.

Change-Id: I88b850075a4aeaf59af29805af6cce1fd5792d29
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
diff --git a/configurations/WFT Baseboard.json b/configurations/WFT Baseboard.json
index 369e409..7406177 100644
--- a/configurations/WFT Baseboard.json
+++ b/configurations/WFT Baseboard.json
@@ -1006,6 +1006,6 @@
         "Manufacturer": "$PRODUCT_MANUFACTURER",
         "Model": "$PRODUCT_PRODUCT_NAME",
         "PartNumber": "$PRODUCT_PART_NUMBER",
-        "SerialNumber": "$PRODUCT_PRODUCT_SERIAL_NUMBER"
+        "SerialNumber": "$PRODUCT_SERIAL_NUMBER"
     }
-}
\ No newline at end of file
+}