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/ntplib/default.nix

@@ -0,0 +1,24 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "ntplib";
+  version = "0.4.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "899d8fb5f8c2555213aea95efca02934c7343df6ace9d7628a5176b176906267";
+  };
+
+  # Require networking
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Python NTP library";
+    homepage = "http://code.google.com/p/ntplib/";
+    license = licenses.mit;
+  };
+
+}