Add LocationCompleter to ServiceFabric cmdlets

Author: azdevxps

src/ResourceManager/ServiceFabric/Commands.ServiceFabric/Commands/NewAzureRmServiceFabricCluster.cs

@@ -181,6 +181,7 @@ public override string KeyVaultResouceGroupLocation
 
         [Parameter(Mandatory = true, ParameterSetName = ByDefaultArmTemplate, ValueFromPipeline = true,
                    HelpMessage = "The resource group location")]
+        [LocationCompleter("Microsoft.ServiceFabric/clusters")]
         public string Location { get; set; }
 
         [Parameter(Mandatory = false, ParameterSetName = ByDefaultArmTemplate, ValueFromPipeline = true,