Add Location information for FabricAdapter

This commit is to add location information according to the Redfish
FabricAdapter schema. If the
`xyz.openbmc_project.Inventory.Decorator.LocationCode` interface does
not exist, the location information property is not displayed.

ref: http://redfish.dmtf.org/schemas/v1/FabricAdapter.v1_4_0.json

Tested: Validator passes
```
curl -k  https://$bmc/redfish/v1/Systems/system/FabricAdapters/disk_backplane0
{
  "@odata.id": "/redfish/v1/Systems/system/FabricAdapters/disk_backplane0",
  "@odata.type": "#FabricAdapter.v1_4_0.FabricAdapter",
  "Id": "disk_backplane0",
  "Location": {
    "PartLocation": {
      "ServiceLabel": "U78DA.ND0.WZS0042-P1"
    }
  },
  "Name": "Fabric Adapter"
}
```

Change-Id: I0dad37dce06e4727057d9821b5c40c71db004ee6
Signed-off-by: Lakshmi Yadlapati <lakshmiy@us.ibm.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/Redfish.md b/Redfish.md
index 3739581c54..8d29ec0efb 100644
--- a/Redfish.md
+++ b/Redfish.md
@@ -676,6 +676,8 @@ other.
 
 #### FabricAdapter
 
+- Location
+
 ### /redfish/v1/Systems/system/LogServices/
 
 #### LogServiceCollection