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_rtd_theme/default.nix

@@ -0,0 +1,46 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, docutils
+, sphinx
+, readthedocs-sphinx-ext
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "sphinx_rtd_theme";
+  version = "1.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0p3abj91c3l72ajj5jwblscsdf1jflrnn0djx2h5y6f2wjbx9ipf";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "docutils<0.18" "docutils"
+  '';
+
+  preBuild = ''
+    # Don't use NPM to fetch assets. Assets are included in sdist.
+    export CI=1
+  '';
+
+  propagatedBuildInputs = [
+    docutils
+    sphinx
+  ];
+
+  checkInputs = [
+    readthedocs-sphinx-ext
+    pytestCheckHook
+  ];
+
+  meta = with lib; {
+    description = "ReadTheDocs.org theme for Sphinx";
+    homepage = "https://github.com/readthedocs/sphinx_rtd_theme";
+    license = licenses.mit;
+    platforms = platforms.unix;
+  };
+
+}