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/pluginbase/default.nix

@@ -0,0 +1,25 @@
+{ lib, fetchPypi, buildPythonPackage, pytest }:
+
+buildPythonPackage rec {
+  version = "1.0.1";
+  pname = "pluginbase";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "ff6c33a98fce232e9c73841d787a643de574937069f0d18147028d70d7dee287";
+  };
+
+  checkInputs = [ pytest ];
+
+  checkPhase = ''
+    cd tests
+    PYTHONPATH=.. pytest
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/mitsuhiko/pluginbase";
+    description = "A support library for building plugins sytems in Python";
+    license = licenses.bsd3;
+    platforms = platforms.all;
+  };
+}