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/jdatetime/default.nix

@@ -0,0 +1,34 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, six
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "jdatetime";
+  version = "4.1.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-SmeoLuV+NbX2+ff75qDtpj9Wzh3Yr0CbTComozQEV9s=";
+  };
+
+  propagatedBuildInputs = [
+    six
+  ];
+
+  pythonImportsCheck = [
+    "jdatetime"
+  ];
+
+  meta = with lib; {
+    description = "Jalali datetime binding";
+    homepage = "https://github.com/slashmili/python-jalali";
+    license = licenses.psfl;
+    maintainers = with maintainers; [ ];
+  };
+}