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/python3-eventlib/default.nix

@@ -0,0 +1,34 @@
+{ lib, fetchFromGitHub, buildPythonPackage, isPy3k, zope_interface, twisted, greenlet }:
+
+buildPythonPackage rec {
+  pname = "python3-eventlib";
+  version = "0.3.0";
+
+  disabled = !isPy3k;
+
+  src = fetchFromGitHub {
+    owner = "AGProjects";
+    repo = "python3-eventlib";
+    rev = version;
+    sha256 = "sha256-LFW3rCGa7A8tk6SjgYgjkLQ+72GE2WN8wG+XkXYTAoQ=";
+  };
+
+  propagatedBuildInputs = [ zope_interface twisted greenlet ];
+
+  dontUseSetuptoolsCheck = true;
+
+  pythonImportsCheck = [ "eventlib" ];
+
+  meta = with lib; {
+    description = "A networking library written in Python";
+    homepage = "https://github.com/AGProjects/python3-eventlib";
+    license = licenses.lgpl21Plus;
+    maintainers = with maintainers; [ chanley ];
+    longDescription = ''
+      Eventlib is a networking library written in Python. It achieves high
+      scalability by using non-blocking I/O while at the same time retaining
+      high programmer usability by using coroutines to make the non-blocking io
+      operations appear blocking at the source code level.
+    '';
+  };
+}