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/dockerfile-parse/default.nix

@@ -0,0 +1,44 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, six
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "dockerfile-parse";
+  version = "1.2.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-B+Ze7DE5eOh32oGYVYcLOuR/P6yUpAqWW57eEEhNrMU=";
+  };
+
+  propagatedBuildInputs = [
+    six
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "dockerfile_parse"
+  ];
+
+  disabledTests = [
+    # python-dockerfile-parse.spec is not present
+    "test_all_versions_match"
+  ];
+
+  meta = with lib; {
+    description = "Library for parsing Dockerfile files";
+    homepage = "https://github.com/DBuildService/dockerfile-parse";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ leenaars ];
+  };
+}