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/treelog/default.nix

@@ -0,0 +1,28 @@
+{ lib , python, buildPythonPackage , fetchPypi, typing-extensions }:
+
+buildPythonPackage rec {
+  pname = "treelog";
+  version = "1.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0hnivz4p4llky6djxgcsr9r3j4vr46mkjvp0ksybhpx0fsnhdi81";
+  };
+
+  pythonImportsCheck = [ "treelog" ];
+
+  propagatedBuildInputs = [
+    typing-extensions
+  ];
+
+  checkPhase = ''
+    ${python.interpreter} -m unittest
+  '';
+
+  meta = with lib; {
+    description = "Logging framework that organizes messages in a tree structure";
+    homepage = "https://github.com/evalf/treelog";
+    license = licenses.mit;
+    maintainers = [ maintainers.Scriptkiddi ];
+  };
+}