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/zope_testing/default.nix

@@ -0,0 +1,30 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, isPyPy
+, zope_interface
+, zope_exceptions
+, zope_location
+}:
+
+buildPythonPackage rec {
+  pname = "zope.testing";
+  version = "4.10";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-O25ZBsrd0UjCP+lY5qrj+tyKCKilP3R9l5HC2BNe5W4=";
+  };
+
+  doCheck = !isPyPy;
+
+  propagatedBuildInputs = [ zope_interface zope_exceptions zope_location ];
+
+  meta = with lib; {
+    description = "Zope testing helpers";
+    homepage =  "http://pypi.python.org/pypi/zope.testing";
+    license = licenses.zpl20;
+    maintainers = with maintainers; [ goibhniu ];
+  };
+
+}