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/gcovr/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, jinja2
+, lxml
+, pygments
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "gcovr";
+  version = "5.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-d4CEQ1m/8LlsBBR9r/8l5uWF4FWFvVQjabvDd9ad4SE=";
+  };
+
+  propagatedBuildInputs = [
+    jinja2
+    lxml
+    pygments
+  ];
+
+  # There are no unit tests in the pypi tarball. Most of the unit tests on the
+  # github repository currently only work with gcc5, so we just disable them.
+  # See also: https://github.com/gcovr/gcovr/issues/206
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "gcovr"
+    "gcovr.workers"
+    "gcovr.configuration"
+  ];
+
+  meta = with lib; {
+    description = "Python script for summarizing gcov data";
+    homepage = "https://www.gcovr.com/";
+    license = licenses.bsd0;
+    maintainers = with maintainers; [ ];
+  };
+}