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/charset-normalizer/default.nix

@@ -0,0 +1,41 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "charset-normalizer";
+  version = "2.0.12";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.5";
+
+  src = fetchFromGitHub {
+    owner = "Ousret";
+    repo = "charset_normalizer";
+    rev = version;
+    hash = "sha256-d5vWnZtFR669l1Meg4ZSsYIyBlJZya7SpXJMx2AP8NU=";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.cfg \
+      --replace " --cov=charset_normalizer --cov-report=term-missing" ""
+  '';
+
+  pythonImportsCheck = [
+    "charset_normalizer"
+  ];
+
+  meta = with lib; {
+    description = "Python module for encoding and language detection";
+    homepage = "https://charset-normalizer.readthedocs.io/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}