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/piep/default.nix

@@ -0,0 +1,29 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, nose
+, pygments
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  version = "0.9.2";
+  pname = "piep";
+  disabled = isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0b5anpsq16xkiisws95jif5s5mplkl1kdnhy0w0i6m0zcy50jnxq";
+  };
+
+  propagatedBuildInputs = [ pygments ];
+  checkInputs = [ nose ];
+
+  meta = with lib; {
+    description = "Bringing the power of python to stream editing";
+    homepage = "https://github.com/timbertson/piep";
+    maintainers = with maintainers; [ timbertson ];
+    license = licenses.gpl3;
+  };
+
+}