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/elkm1-lib/default.nix

@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, fetchpatch
+, poetry-core
+, pyserial-asyncio
+, pytest-asyncio
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "elkm1-lib";
+  version = "2.0.0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.9";
+
+  src = fetchFromGitHub {
+    owner = "gwww";
+    repo = "elkm1";
+    rev = version;
+    hash = "sha256-o0RQgAP38W7paVJonrfj54y2OhMmTihT9xiipEyNVaM=";
+  };
+
+  nativeBuildInputs = [
+    poetry-core
+  ];
+
+  propagatedBuildInputs = [
+    pyserial-asyncio
+  ];
+
+  checkInputs = [
+    pytest-asyncio
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "elkm1_lib"
+  ];
+
+  meta = with lib; {
+    description = "Python module for interacting with ElkM1 alarm/automation panel";
+    homepage = "https://github.com/gwww/elkm1";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}