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/pymdown-extensions/default.nix

@@ -0,0 +1,68 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, hatchling
+, pytestCheckHook
+, markdown
+, pyyaml
+, pygments
+}:
+
+let
+  extensions = [
+    "arithmatex"
+    "b64"
+    "betterem"
+    "caret"
+    "critic"
+    "details"
+    "emoji"
+    "escapeall"
+    "extra"
+    "highlight"
+    "inlinehilite"
+    "keys"
+    "magiclink"
+    "mark"
+    "pathconverter"
+    "progressbar"
+    "saneheaders"
+    "smartsymbols"
+    "snippets"
+    "striphtml"
+    "superfences"
+    "tabbed"
+    "tasklist"
+    "tilde"
+  ];
+in
+buildPythonPackage rec {
+  pname = "pymdown-extensions";
+  version = "9.4";
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "facelessuser";
+    repo = "pymdown-extensions";
+    rev = version;
+    sha256 = "sha256-9oYLDerz6ZcE4QyLO4mFPuHws8oZoXX8LcSV209MFec=";
+  };
+
+  nativeBuildInputs = [ hatchling ];
+
+  propagatedBuildInputs = [ markdown pygments ];
+
+  checkInputs = [
+    pytestCheckHook
+    pyyaml
+  ];
+
+  pythonImportsCheck = map (ext: "pymdownx.${ext}") extensions;
+
+  meta = with lib; {
+    description = "Extensions for Python Markdown";
+    homepage = "https://facelessuser.github.io/pymdown-extensions/";
+    license = with licenses; [ mit bsd2 ];
+    maintainers = with maintainers; [ cpcloud ];
+  };
+}