fru: Fix typo in a json example

The root path of PIM is /xyz/openbmc_project/inventory

Signed-off-by: John Wang <wangzqbj@inspur.com>
Change-Id: I15fe343c2e9e49b756a8f7ff77fd34eb7ae62e95
diff --git a/libpldmresponder/examples/fru/FRU_Master.json b/libpldmresponder/examples/fru/FRU_Master.json
index e0a3ad2..73c7ebb 100644
--- a/libpldmresponder/examples/fru/FRU_Master.json
+++ b/libpldmresponder/examples/fru/FRU_Master.json
@@ -13,7 +13,7 @@
 # For all instances of the same FRU, the same config JSON will apply.
 {
     "service":"xyz.openbmc_project.Inventory.Manager",
-    "root_path":"/xyz/openbmc_project/inventory/system/",
+    "root_path":"/xyz/openbmc_project/inventory",
     "entities":[
         {
             "interface" : "xyz.openbmc_project.Inventory.Item.Board",