uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

nixos/tests/containers-portforward.nix

@@ -0,0 +1,59 @@
+let
+  hostIp = "192.168.0.1";
+  hostPort = 10080;
+  containerIp = "192.168.0.100";
+  containerPort = 80;
+in
+
+import ./make-test-python.nix ({ pkgs, lib, ... }: {
+  name = "containers-portforward";
+  meta = {
+    maintainers = with lib.maintainers; [ aristid aszlig eelco kampfschlaefer ianwookim ];
+  };
+
+  nodes.machine =
+    { pkgs, ... }:
+    { imports = [ ../modules/installer/cd-dvd/channel.nix ];
+      virtualisation.writableStore = true;
+
+      containers.webserver =
+        { privateNetwork = true;
+          hostAddress = hostIp;
+          localAddress = containerIp;
+          forwardPorts = [ { protocol = "tcp"; hostPort = hostPort; containerPort = containerPort; } ];
+          config =
+            { services.httpd.enable = true;
+              services.httpd.adminAddr = "foo@example.org";
+              networking.firewall.allowedTCPPorts = [ 80 ];
+            };
+        };
+
+      virtualisation.additionalPaths = [ pkgs.stdenv ];
+    };
+
+  testScript =
+    ''
+      container_list = machine.succeed("nixos-container list")
+      assert "webserver" in container_list
+
+      # Start the webserver container.
+      machine.succeed("nixos-container start webserver")
+
+      # wait two seconds for the container to start and the network to be up
+      machine.sleep(2)
+
+      # Since "start" returns after the container has reached
+      # multi-user.target, we should now be able to access it.
+      # ip = machine.succeed("nixos-container show-ip webserver").strip()
+      machine.succeed("ping -n -c1 ${hostIp}")
+      machine.succeed("curl --fail http://${hostIp}:${toString hostPort}/ > /dev/null")
+
+      # Stop the container.
+      machine.succeed("nixos-container stop webserver")
+      machine.fail("curl --fail --connect-timeout 2 http://${hostIp}:${toString hostPort}/ > /dev/null")
+
+      # Destroying a declarative container should fail.
+      machine.fail("nixos-container destroy webserver")
+    '';
+
+})