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/commentjson/default.nix

@@ -0,0 +1,34 @@
+{ lib, buildPythonPackage, fetchFromGitHub, six, lark, pytestCheckHook }:
+
+buildPythonPackage rec {
+  pname = "commentjson";
+  version = "0.9.0";
+
+  src = fetchFromGitHub {
+    owner = "vaidik";
+    repo = "commentjson";
+    rev = "v${version}";
+    sha256 = "sha256-dPnIcv7TIeyG7rU938w7FrDklmaGuPpXz34uw/JjOgY=";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "lark-parser>=0.7.1,<0.8.0" "lark"
+
+    # NixOS is missing test.test_json module
+    rm -r commentjson/tests/test_json
+  '';
+
+  propagatedBuildInputs = [ lark six ];
+
+  checkInputs = [ pytestCheckHook ];
+
+  pythonImportsCheck = [ "commentjson" ];
+
+  meta = with lib; {
+    description = "Add JavaScript or Python style comments in JSON";
+    homepage = "https://github.com/vaidik/commentjson/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}