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/tokenize-rt/default.nix

@@ -0,0 +1,28 @@
+{ buildPythonPackage
+, lib
+, fetchFromGitHub
+, isPy27
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "tokenize-rt";
+  version = "4.2.1";
+  disabled = isPy27;
+
+  src = fetchFromGitHub {
+    owner = "asottile";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-YNt4YwkuA3DVq4EjJaIES9V3A6ENa3k6/qVKisjA5Pc=";
+  };
+
+  checkInputs = [ pytestCheckHook ];
+
+  meta = with lib; {
+    description = "A wrapper around the stdlib `tokenize` which roundtrips";
+    homepage = "https://github.com/asottile/tokenize-rt";
+    license = licenses.mit;
+    maintainers = with maintainers; [ lovesegfault ];
+  };
+}