Add PMBUS Bus and Address to chassis

PSU KeepAlive function need to ping PSU FRU through I2C bus. Add pmbus bus
number and address to entity-manager chassis config then KeepAlive can know
which bus and address to ping.

Tested:
There are bus and address property under
/xyz/openbmc_project/inventory/system/board/WFP_Baseboard/PSU_ADDRESS
in entity-manager

Signed-off-by: Cheng C Yang <cheng.c.yang@linux.intel.com>
Change-Id: I8951c6685f45d5ebf348076b44ae5bc122c9f293
diff --git a/configurations/R1000 Chassis.json b/configurations/R1000 Chassis.json
index db2a858..baab7de 100644
--- a/configurations/R1000 Chassis.json
+++ b/configurations/R1000 Chassis.json
@@ -592,6 +592,15 @@
                 "Zone 5",
                 "Zone 6"
             ]
+        },
+        {
+            "Bus": 7,
+            "Address": [
+                "0x50",
+                "0x51"
+            ],
+            "Name": "PSU address",
+            "Type": "PSUPresence"
         }
     ],
     "Name": "R1000 Chassis",
@@ -614,4 +623,4 @@
         "AssetTag": "$PRODUCT_ASSET_TAG"
     },
     "xyz.openbmc_project.Inventory.Item.System": {}
-}
\ No newline at end of file
+}