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/tomlkit/default.nix

@@ -0,0 +1,29 @@
+{ lib, buildPythonPackage, fetchPypi, isPy27
+, enum34, functools32, typing ? null
+}:
+
+buildPythonPackage rec {
+  pname = "tomlkit";
+  version = "0.10.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-PFF4lOre9T6QctND035EJ7jwtiAKcLfJoZsuvR9TuVE=";
+  };
+
+  propagatedBuildInputs =
+    lib.optionals isPy27 [ enum34 functools32 ]
+    ++ lib.optional isPy27 typing;
+
+  # The Pypi tarball doesn't include tests, and the GitHub source isn't
+  # buildable until we bootstrap poetry, see
+  # https://github.com/NixOS/nixpkgs/pull/53599#discussion_r245855665
+  doCheck = false;
+
+  meta = with lib; {
+    homepage = "https://github.com/sdispater/tomlkit";
+    description = "Style-preserving TOML library for Python";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jakewaksbaum ];
+  };
+}