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/aiokef/default.nix

@@ -0,0 +1,44 @@
+{ lib
+, async-timeout
+, buildPythonPackage
+, fetchFromGitHub
+, pytest-cov
+, pytestCheckHook
+, pytest-mypy
+, pythonOlder
+, tenacity
+}:
+
+buildPythonPackage rec {
+  pname = "aiokef";
+  version = "0.2.17";
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "basnijholt";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0ms0dwrpj80w55svcppbnp7vyl5ipnjfp1c436k5c7pph4q5pxk9";
+  };
+
+  propagatedBuildInputs = [
+    async-timeout
+    tenacity
+  ];
+
+  checkInputs = [
+    pytest-cov
+    pytest-mypy
+    pytestCheckHook
+  ];
+
+  pytestFlagsArray = [ "tests" ];
+  pythonImportsCheck = [ "aiokef" ];
+
+  meta = with lib; {
+    description = "Python API for KEF speakers";
+    homepage = "https://github.com/basnijholt/aiokef";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}