Fix the association between Item and PowerSupply

PowerSupply should be associated with an Item, instead of Chassis.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: If2e7dbea6f1cf0eb2e5984bb83bea252fd7f94cf
diff --git a/yaml/xyz/openbmc_project/Inventory/Item/PowerSupply.interface.yaml b/yaml/xyz/openbmc_project/Inventory/Item/PowerSupply.interface.yaml
index 0d77ef0..af38c92 100644
--- a/yaml/xyz/openbmc_project/Inventory/Item/PowerSupply.interface.yaml
+++ b/yaml/xyz/openbmc_project/Inventory/Item/PowerSupply.interface.yaml
@@ -5,7 +5,7 @@
     - name: powering
       description: >
           Objects that implement PowerSupply can optionally implement the
-          'powering' association to provide a link back to a Chassis.
+          'powering' association to provide a link back to a Item.
       reverse_name: powered_by
       required_endpoint_interfaces:
-          - xyz.openbmc_project.Inventory.Item.Chassis
+          - xyz.openbmc_project.Inventory.Item