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/django-cors-headers/default.nix

@@ -0,0 +1,35 @@
+{ lib
+, fetchFromGitHub
+, buildPythonPackage
+, django
+, pytest-django
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "django-cors-headers";
+  version = "3.7.0";
+
+  src = fetchFromGitHub {
+    owner = "adamchainz";
+    repo = "django-cors-headers";
+    rev = version;
+    sha256 = "1wc8cs1gpg9v98bq5qwnd4pcv043za50wd63gwkm86lbvjxyxynz";
+  };
+
+  propagatedBuildInputs = [
+    django
+  ];
+
+  checkInputs = [
+    pytest-django
+    pytestCheckHook
+  ];
+
+  meta = with lib; {
+    description = "Django app for handling server Cross-Origin Resource Sharing (CORS) headers";
+    homepage = "https://github.com/OttoYiu/django-cors-headers";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+  };
+}