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/sphinxcontrib-spelling/default.nix

@@ -0,0 +1,47 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+, importlib-metadata
+, sphinx
+, pyenchant
+, pbr
+}:
+
+buildPythonPackage rec {
+  pname = "sphinxcontrib-spelling";
+  version = "7.5.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-2SvcHWPzYbbgoXG51oUYEBdFSFMX8VhhUB44fxt49qs=";
+  };
+
+  nativeBuildInputs = [
+    pbr
+  ];
+
+  propagatedBuildInputs = [
+    sphinx
+    pyenchant
+  ] ++ lib.optionals (pythonOlder "3.8") [
+    importlib-metadata
+  ];
+
+  # No tests included
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "sphinxcontrib.spelling"
+  ];
+
+  meta = with lib; {
+    description = "Sphinx spelling extension";
+    homepage = "https://github.com/sphinx-contrib/spelling";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ ];
+  };
+}