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/protonup/default.nix

@@ -0,0 +1,29 @@
+{ lib, buildPythonPackage, pythonOlder, fetchPypi, requests, configparser }:
+
+buildPythonPackage rec {
+  pname = "protonup";
+  version = "0.1.4";
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0z5q0s9h51w2bqm9lkafml14g13v2dgm4nm9x06v7nxqc9msmyyy";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.cfg \
+      --replace "argparse" ""
+  '';
+
+  propagatedBuildInputs = [ requests configparser ];
+
+  doCheck = false; # protonup does not have any tests
+  pythonImportsCheck = [ "protonup" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/AUNaseef/protonup";
+    description = "CLI program and API to automate the installation and update of GloriousEggroll's Proton-GE";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [ flexagoon ];
+  };
+}