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/text-unidecode/default.nix

@@ -0,0 +1,23 @@
+{ lib, buildPythonPackage, fetchPypi, pytest }:
+
+buildPythonPackage rec {
+  pname = "text-unidecode";
+  version = "1.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "bad6603bb14d279193107714b288be206cac565dfa49aa5b105294dd5c4aab93";
+  };
+
+  checkInputs = [ pytest ];
+
+  checkPhase = ''
+    py.test
+  '';
+
+  meta = with lib; {
+    description = "The most basic Text::Unidecode port";
+    homepage = "https://github.com/kmike/text-unidecode";
+    license = licenses.artistic1;
+  };
+}