VOL-3943 - multiple stack configuration support

Change-Id: I28cb26b6cd6fbc5b3f0e8d406a68bf5c964a57fd
diff --git a/internal/pkg/commands/logicaldevices.go b/internal/pkg/commands/logicaldevices.go
index c529603..9191385 100644
--- a/internal/pkg/commands/logicaldevices.go
+++ b/internal/pkg/commands/logicaldevices.go
@@ -89,7 +89,7 @@
 
 	client := voltha.NewVolthaServiceClient(conn)
 
-	ctx, cancel := context.WithTimeout(context.Background(), GlobalConfig.Grpc.Timeout)
+	ctx, cancel := context.WithTimeout(context.Background(), GlobalConfig.Current().Grpc.Timeout)
 	defer cancel()
 
 	logicalDevices, err := client.ListLogicalDevices(ctx, &empty.Empty{})
@@ -117,7 +117,7 @@
 
 	client := voltha.NewVolthaServiceClient(conn)
 
-	ctx, cancel := context.WithTimeout(context.Background(), GlobalConfig.Grpc.Timeout)
+	ctx, cancel := context.WithTimeout(context.Background(), GlobalConfig.Current().Grpc.Timeout)
 	defer cancel()
 
 	logicalDevices, err := client.ListLogicalDevices(ctx, &empty.Empty{})
@@ -165,7 +165,7 @@
 
 	client := voltha.NewVolthaServiceClient(conn)
 
-	ctx, cancel := context.WithTimeout(context.Background(), GlobalConfig.Grpc.Timeout)
+	ctx, cancel := context.WithTimeout(context.Background(), GlobalConfig.Current().Grpc.Timeout)
 	defer cancel()
 
 	id := voltha.ID{Id: string(options.Args.Id)}
@@ -232,7 +232,7 @@
 
 	client := voltha.NewVolthaServiceClient(conn)
 
-	ctx, cancel := context.WithTimeout(context.Background(), GlobalConfig.Grpc.Timeout)
+	ctx, cancel := context.WithTimeout(context.Background(), GlobalConfig.Current().Grpc.Timeout)
 	defer cancel()
 
 	id := voltha.ID{Id: string(options.Args.Id)}