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/volvooncall/default.nix

@@ -0,0 +1,62 @@
+{ lib
+, buildPythonPackage
+, pythonOlder
+, fetchFromGitHub
+, setuptools
+, geopy
+, docopt
+, certifi
+, amqtt
+, websockets
+, aiohttp
+, pytestCheckHook
+, asynctest
+, pytest-asyncio
+}:
+
+buildPythonPackage rec {
+  pname = "volvooncall";
+  version = "0.10.0";
+
+  disabled = pythonOlder "3.8";
+
+  format = "setuptools";
+
+  src = fetchFromGitHub {
+    owner = "molobrakos";
+    repo = "volvooncall";
+    rev = "v${version}";
+    hash = "sha256-HLSanXJs1yPSgYo4oX0zJtrV5sKkxV2yLPhc2dVRHY8=";
+  };
+
+  propagatedBuildInputs = [
+    aiohttp
+  ];
+
+  passthru.optional-dependencies = {
+    console = [
+      certifi
+      docopt
+      geopy
+    ];
+    mqtt = [
+      amqtt
+      certifi
+    ];
+  };
+
+  checkInputs = [
+    asynctest
+    pytest-asyncio
+    pytestCheckHook
+  ] ++ passthru.optional-dependencies.mqtt;
+
+  pythonImportsCheck = [ "volvooncall" ];
+
+  meta = with lib; {
+    description = "Retrieve information from the Volvo On Call web service";
+    homepage = "https://github.com/molobrakos/volvooncall";
+    license = licenses.unlicense;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}