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/panflute/default.nix

@@ -0,0 +1,31 @@
+{ lib
+, fetchPypi
+, click
+, pyyaml
+, buildPythonPackage
+, isPy3k
+}:
+
+buildPythonPackage rec{
+  version = "2.1.3";
+  pname = "panflute";
+
+  disabled = !isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "y5QkT+dmiTuy8XLruCfsPe12G4//qE5MhLZ4ufip/5U=";
+  };
+
+  propagatedBuildInputs = [
+    click
+    pyyaml
+  ];
+
+  meta = with lib; {
+    description = "A Pythonic alternative to John MacFarlane's pandocfilters, with extra helper functions";
+    homepage = "http://scorreia.com/software/panflute";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ synthetica ];
+  };
+}