Add FieldReplaceable field in twinlake.json

Added xyz.openbmc_project.Inventory.Decorator.Replaceable interface in
twinlake.json configuration file and FieldReplaceable boolean field.
This will display FieldReplaceable in Redfish under chassis path.

Tested: Tested and verified in Facebook YosemiteV2 platform.

Change-Id: Idae9f16d14ef1938a0ec42f80d62a660e0844096
Signed-off-by: Kumar Thangavel <thangavel.k@hcl.com>
diff --git a/schemas/openbmc-dbus.json b/schemas/openbmc-dbus.json
index 184d2f4..a34c3da 100644
--- a/schemas/openbmc-dbus.json
+++ b/schemas/openbmc-dbus.json
@@ -39,6 +39,16 @@
                             },
                             "required": ["AssetTag"],
                             "type": "object"
+                        },
+                        "Replaceable": {
+                            "additionalProperties": false,
+                            "properties": {
+                                "FieldReplaceable": {
+                                    "type": "boolean"
+                                }
+                            },
+                            "required": ["FieldReplaceable"],
+                            "type": "object"
                         }
                     },
                     "Item": {