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/devtools/default.nix

@@ -0,0 +1,61 @@
+{ lib
+, asttokens
+, buildPythonPackage
+, executing
+, fetchFromGitHub
+, pygments
+, pytest-mock
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "devtools";
+  version = "0.8.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "samuelcolvin";
+    repo = "python-${pname}";
+    rev = "v${version}";
+    sha256 = "0yavcbxzxi1nfa1k326gsl03y8sadi5z5acamwd8b1bsiv15p757";
+  };
+
+  propagatedBuildInputs = [
+    asttokens
+    executing
+    pygments
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    pytest-mock
+  ];
+
+  pytestFlagsArray = [
+    # pytest.PytestRemovedIn8Warning: Passing None has been deprecated.
+    "-W ignore::pytest.PytestRemovedIn8Warning"
+  ];
+
+  disabledTests = [
+    # Test for Windows32
+    "test_print_subprocess"
+    # sensitive to timing
+    "test_multiple_not_verbose"
+    # sensitive to interpreter output
+    "test_simple_vars"
+  ];
+
+  pythonImportsCheck = [
+    "devtools"
+  ];
+
+  meta = with lib; {
+    description = "Python's missing debug print command and other development tools";
+    homepage = "https://python-devtools.helpmanual.io/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jdahm ];
+  };
+}