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/scripttest/default.nix

@@ -0,0 +1,27 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytest
+}:
+
+buildPythonPackage rec {
+  version = "1.3";
+  pname = "scripttest";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "951cfc25219b0cd003493a565f2e621fd791beaae9f9a3bdd7024d8626419c38";
+  };
+
+  buildInputs = [ pytest ];
+
+  # Tests are not included. See https://github.com/pypa/scripttest/issues/11
+  doCheck = false;
+
+  meta = with lib; {
+    description = "A library for testing interactive command-line applications";
+    homepage = "https://pypi.python.org/pypi/ScriptTest/";
+    license = licenses.mit;
+  };
+
+}