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/update-copyright/default.nix

@@ -0,0 +1,22 @@
+{ lib, buildPythonPackage, fetchPypi, isPy3k }:
+
+buildPythonPackage rec {
+  pname = "update-copyright";
+  version = "0.6.2";
+
+  disabled = !isPy3k;
+
+  # Has no tests
+  doCheck = false;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "17ybdgbdc62yqhda4kfy1vcs1yzp78d91qfhj5zbvz1afvmvdk7z";
+  };
+
+  meta = with lib; {
+    description = "An automatic copyright update tool";
+    homepage = "http://blog.tremily.us/posts/update-copyright";
+    license = licenses.gpl3;
+  };
+}