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/bytecode/default.nix

@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "bytecode";
+  version = "0.13.0";
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "vstinner";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-aY19qMYW7KziiXVY3lxdnHk7OCAJaNh+aTvlQyJWmDw=";
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "bytecode" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/vstinner/bytecode";
+    description = "Python module to generate and modify bytecode";
+    license = licenses.mit;
+    maintainers = with maintainers; [ raboof ];
+  };
+}