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/compreffor/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, setuptools-scm
+, fonttools
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "compreffor";
+  version = "0.5.1.post1";
+
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "Zqia+yP4Dp5VNGeMwv+j04aNm9oVmZ2juehbfEzDfOQ=";
+  };
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  propagatedBuildInputs = [
+    fonttools
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  # Tests cannot seem to open the cpython module.
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "compreffor"
+  ];
+
+  meta = with lib; {
+    description = "CFF table subroutinizer for FontTools";
+    homepage = "https://github.com/googlefonts/compreffor";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ jtojnar ];
+  };
+}