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/setuptoolstrial/default.nix

@@ -0,0 +1,38 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytest
+, virtualenv
+, pytest-runner
+, pytest-virtualenv
+, twisted
+, pathlib2
+}:
+
+buildPythonPackage rec {
+  pname = "setuptools_trial";
+  version = "0.6.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "14220f8f761c48ba1e2526f087195077cf54fad7098b382ce220422f0ff59b12";
+  };
+
+  buildInputs = [ pytest virtualenv pytest-runner pytest-virtualenv ];
+  propagatedBuildInputs = [ twisted pathlib2 ];
+
+  postPatch = ''
+    sed -i '12,$d' tests/test_main.py
+  '';
+
+  # Couldn't get tests working
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Setuptools plugin that makes unit tests execute with trial instead of pyunit.";
+    homepage = "https://github.com/rutsky/setuptools-trial";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ ryansydnor ];
+  };
+
+}