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/markdown/default.nix

@@ -0,0 +1,42 @@
+{ lib
+, buildPythonPackage
+, pythonOlder
+, fetchPypi
+, importlib-metadata
+, pyyaml
+, python
+}:
+
+buildPythonPackage rec {
+  pname = "markdown";
+  version = "3.3.7";
+
+  disabled = pythonOlder "3.6";
+
+  format = "setuptools";
+
+  src = fetchPypi {
+    pname = "Markdown";
+    inherit version;
+    sha256 = "cbb516f16218e643d8e0a95b309f77eb118cb138d39a4f27851e6a63581db874";
+  };
+
+  propagatedBuildInputs = lib.optionals (pythonOlder "3.10") [
+    importlib-metadata
+  ];
+
+  checkInputs = [ pyyaml ];
+
+  checkPhase = ''
+    ${python.interpreter} -m unittest discover
+  '';
+
+  pythonImportsCheck = [ "markdown" ];
+
+  meta = with lib; {
+    description = "A Python implementation of John Gruber's Markdown with Extension support";
+    homepage = "https://github.com/Python-Markdown/markdown";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}