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>

pkgs/development/python-modules/click-threading/default.nix

@@ -0,0 +1,34 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytest
+, click
+, isPy3k
+, futures ? null
+}:
+
+buildPythonPackage rec {
+  pname = "click-threading";
+  version = "0.5.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-rc/mI8AqWVwQfDFAcvZ6Inj+TrQLcsDRoskDzHivNDk=";
+  };
+
+  checkInputs = [ pytest ];
+  propagatedBuildInputs = [ click ] ++ lib.optional (!isPy3k) futures;
+
+  checkPhase = ''
+    py.test
+  '';
+
+  # Tests are broken on 3.x
+  doCheck = !isPy3k;
+
+  meta = {
+    homepage = "https://github.com/click-contrib/click-threading/";
+    description = "Multithreaded Click apps made easy";
+    license = lib.licenses.mit;
+  };
+}