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/makefun/default.nix

@@ -0,0 +1,38 @@
+{ lib
+, fetchPypi
+, buildPythonPackage
+, setuptools-scm
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "makefun";
+  version = "1.13.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "985bb8b670ffbbb95d2a8aa996d318e6e9a3f26fc6f3ef2da93ebdf8f9c616bf";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.cfg \
+      --replace "pytest-runner" ""
+  '';
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "makefun" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/smarie/python-makefun";
+    description = "Small library to dynamically create python functions";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ veehaitch ];
+  };
+}