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/robotframework-tools/default.nix

@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, robotframework
+, moretools
+, path
+, six
+, zetup
+, modeled
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  version = "0.1rc4";
+  pname = "robotframework-tools";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0377ikajf6c3zcy3lc0kh4w9zmlqyplk2c2hb0yyc7h3jnfnya96";
+  };
+
+  nativeBuildInputs = [ zetup ];
+
+  propagatedBuildInputs = [
+    robotframework
+    moretools
+    path
+    six
+    modeled
+  ];
+
+  postPatch = ''
+    # Remove upstream's selfmade approach to collect the dependencies
+    # https://github.com/userzimmermann/robotframework-tools/issues/1
+    substituteInPlace setup.py --replace \
+      "setup_requires=SETUP_REQUIRES + (zfg.SETUP_REQUIRES or [])," ""
+  '';
+
+  checkInputs = [ pytestCheckHook ];
+  pytestFlagsArray = [ "test" ];
+  pythonImportsCheck = [ "robottools" ];
+
+  meta = with lib; {
+    description = "Python Tools for Robot Framework and Test Libraries";
+    homepage = "https://github.com/userzimmermann/robotframework-tools";
+    license = licenses.gpl3Plus;
+    maintainers = [ maintainers.costrouc ];
+  };
+}