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/doit/default.nix

@@ -0,0 +1,54 @@
+{ lib
+, stdenv
+, fetchPypi
+, buildPythonPackage
+, isPy3k
+, mock
+, pytestCheckHook
+, cloudpickle
+, pyinotify
+, macfsevents
+, toml
+}:
+
+buildPythonPackage rec {
+  pname = "doit";
+  version = "0.35.0";
+
+  disabled = !isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-cVoyLIdMTLhiOU46DWn/MlcrUln1cDb7/cEFPEwB00g=";
+  };
+
+  propagatedBuildInputs = [
+    cloudpickle
+    toml
+  ] ++ lib.optional stdenv.isLinux pyinotify
+    ++ lib.optional stdenv.isDarwin macfsevents;
+
+  # hangs on darwin
+  doCheck = !stdenv.isDarwin;
+
+  checkInputs = [ mock pytestCheckHook ];
+
+  disabledTests = [
+    # depends on doit-py, which has a circular dependency on doit
+    "test___main__.py"
+  ];
+
+  meta = with lib; {
+    homepage = "https://pydoit.org/";
+    description = "A task management & automation tool";
+    license = licenses.mit;
+    longDescription = ''
+      doit is a modern open-source build-tool written in python
+      designed to be simple to use and flexible to deal with complex
+      work-flows. It is specially suitable for building and managing
+      custom work-flows where there is no out-of-the-box solution
+      available.
+    '';
+    maintainers = with maintainers; [ pSub ];
+  };
+}