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/future-typing/default.nix

@@ -0,0 +1,28 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytestCheckHook
+, typing-extensions
+}:
+
+buildPythonPackage rec {
+  pname = "future-typing";
+  version = "0.4.1";
+
+  src = fetchPypi {
+    pname = "future_typing";
+    inherit version;
+    sha256 = "65fdc5034a95db212790fee5e977fb0a2df8deb60dccf3bac17d6d2b1a9bbacd";
+  };
+
+  doCheck = false; # No tests in pypi source. Did not get tests from GitHub source to work.
+
+  pythonImportsCheck = [ "future_typing" ];
+
+  meta = with lib; {
+    description = "Use generic type hints and new union syntax `|` with python 3.6+";
+    homepage = "https://github.com/PrettyWood/future-typing";
+    license = licenses.mit;
+    maintainers = with maintainers; [ kfollesdal ];
+  };
+}