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_location/default.nix

@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, zope_proxy
+}:
+
+buildPythonPackage rec {
+  pname = "zope.location";
+  version = "4.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "a720f9e3c8a51d5007ed6fcd47e1834df02671d85dbfd1062a0d808de8bf80ac";
+  };
+
+  propagatedBuildInputs = [ zope_proxy ];
+
+  # ignore circular dependency on zope_schema
+  preBuild = ''
+    sed -i '/zope.schema/d' setup.py
+  '';
+
+  doCheck = false;
+
+  meta = with lib; {
+    homepage = "https://github.com/zopefoundation/zope.location/";
+    description = "Zope Location";
+    license = licenses.zpl20;
+    maintainers = with maintainers; [ goibhniu ];
+  };
+
+}