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/zigpy-znp/default.nix

@@ -0,0 +1,63 @@
+{ lib
+, async-timeout
+, asynctest
+, buildPythonPackage
+, coloredlogs
+, fetchFromGitHub
+, jsonschema
+, pyserial
+, pyserial-asyncio
+, pytest-asyncio
+, pytest-mock
+, pytest-timeout
+, pytestCheckHook
+, pythonOlder
+, voluptuous
+, zigpy
+}:
+
+buildPythonPackage rec {
+  pname = "zigpy-znp";
+  version = "0.7.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "zigpy";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0h6dclz4q4lvmapzpslh8kb0aihdjddbkxc4zc981glbip89li5w";
+  };
+
+  propagatedBuildInputs = [
+    async-timeout
+    coloredlogs
+    jsonschema
+    pyserial
+    pyserial-asyncio
+    voluptuous
+    zigpy
+  ];
+
+  checkInputs = [
+    pytest-asyncio
+    pytest-mock
+    pytest-timeout
+    pytestCheckHook
+  ]  ++ lib.optionals (pythonOlder "3.8") [
+    asynctest
+  ];
+
+  pythonImportsCheck = [
+    "zigpy_znp"
+  ];
+
+  meta = with lib; {
+    description = "Python library for zigpy which communicates with TI ZNP radios";
+    homepage = "https://github.com/zigpy/zigpy-znp";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ mvnetbiz ];
+    platforms = platforms.linux;
+  };
+}