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/kerberos/default.nix

@@ -0,0 +1,27 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, libkrb5
+}:
+
+buildPythonPackage rec {
+  pname = "kerberos";
+  version = "1.3.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "cdd046142a4e0060f96a00eb13d82a5d9ebc0f2d7934393ed559bac773460a2c";
+  };
+
+  nativeBuildInputs = [ libkrb5 ];
+
+  # No tests in archive
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Kerberos high-level interface";
+    homepage = "https://pypi.python.org/pypi/kerberos";
+    license = licenses.asl20;
+  };
+
+}