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/beanstalkd.nix

@@ -0,0 +1,49 @@
+import ./make-test-python.nix ({ pkgs, lib, ... }:
+
+let
+  pythonEnv = pkgs.python3.withPackages (p: [p.beanstalkc]);
+
+  produce = pkgs.writeScript "produce.py" ''
+    #!${pythonEnv.interpreter}
+    import beanstalkc
+
+    queue = beanstalkc.Connection(host='localhost', port=11300, parse_yaml=False);
+    queue.put(b'this is a job')
+    queue.put(b'this is another job')
+  '';
+
+  consume = pkgs.writeScript "consume.py" ''
+    #!${pythonEnv.interpreter}
+    import beanstalkc
+
+    queue = beanstalkc.Connection(host='localhost', port=11300, parse_yaml=False);
+
+    job = queue.reserve(timeout=0)
+    print(job.body.decode('utf-8'))
+    job.delete()
+  '';
+
+in
+{
+  name = "beanstalkd";
+  meta.maintainers = [ lib.maintainers.aanderse ];
+
+  nodes.machine =
+    { ... }:
+    { services.beanstalkd.enable = true;
+    };
+
+  testScript = ''
+    start_all()
+
+    machine.wait_for_unit("beanstalkd.service")
+
+    machine.succeed("${produce}")
+    assert "this is a job\n" == machine.succeed(
+        "${consume}"
+    )
+    assert "this is another job\n" == machine.succeed(
+        "${consume}"
+    )
+  '';
+})