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/jc/default.nix

@@ -0,0 +1,38 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, ruamel-yaml
+, xmltodict
+, pygments
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "jc";
+  version = "1.20.0";
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "kellyjonbrazil";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-Qw6jgbYDfeJfT6QtIaT2llbfwZTpoLeH78mxJlFA7TI=";
+  };
+
+  propagatedBuildInputs = [ ruamel-yaml xmltodict pygments ];
+
+  checkInputs = [ pytestCheckHook ];
+
+  pythonImportsCheck = [ "jc" ];
+
+  # tests require timezone to set America/Los_Angeles
+  doCheck = false;
+
+  meta = with lib; {
+    description = "This tool serializes the output of popular command line tools and filetypes to structured JSON output";
+    homepage = "https://github.com/kellyjonbrazil/jc";
+    license = licenses.mit;
+    maintainers = with maintainers; [ atemu ];
+  };
+}