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/sphinx-navtree/default.nix

@@ -0,0 +1,20 @@
+{ lib, fetchPypi, buildPythonPackage, sphinx }:
+
+buildPythonPackage rec {
+  version = "0.3.0";
+  pname = "sphinx-navtree";
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1nqcsbqwr8ihk1fv534i0naag1qw04f7ibcgl2j8csvkh8q90b4p";
+  };
+
+  propagatedBuildInputs = [ sphinx ];
+
+  meta = {
+    description = "Navigation tree customization for Sphinx";
+    homepage = "https://github.com/bintoro/sphinx-navtree";
+    license = lib.licenses.mit;
+    # not compatible with sphinx 3.3, not updated since 2016
+    broken = true;
+  };
+}