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/delorean/default.nix

@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, babel
+, humanize
+, python-dateutil
+, tzlocal
+}:
+
+buildPythonPackage rec {
+  pname = "Delorean";
+  version = "1.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0d31ay7yq2w7xz7m3ssk5phjbm64b2k8hmgcif22719k29p7hrzy";
+  };
+
+  propagatedBuildInputs = [ babel humanize python-dateutil tzlocal ];
+
+  pythonImportsCheck = [ "delorean" ];
+
+  # test data not included
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Delorean: Time Travel Made Easy";
+    homepage = "https://github.com/myusuf3/delorean";
+    license = licenses.mit;
+    maintainers = with maintainers; [ globin ];
+  };
+}