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/python-lzf/default.nix

@@ -0,0 +1,18 @@
+{ lib, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  version = "0.2.4";
+  pname = "python-lzf";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1l8m6vzwm1m8hn7ldw8j8r2b6r199k8z3q0wnhdyy4p68hahyhni";
+  };
+
+  meta = with lib; {
+    description = "liblzf python bindings";
+    homepage = "https://github.com/teepark/python-lzf";
+    license = licenses.mit;
+    platforms = platforms.unix;
+  };
+}