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/applications/audio/pulseaudio-dlna/zeroconf.nix

@@ -0,0 +1,30 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, ifaddr
+, typing
+, pythonOlder
+, netifaces
+, six
+, enum-compat
+}:
+
+buildPythonPackage rec {
+  pname = "zeroconf";
+  version = "0.19.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0ykzg730n915qbrq9bn5pn06bv6rb5zawal4sqjyfnjjm66snkj3";
+  };
+
+  propagatedBuildInputs = [ netifaces six enum-compat ifaddr ]
+    ++ lib.optionals (pythonOlder "3.5") [ typing ];
+
+  meta = with lib; {
+    description = "A pure python implementation of multicast DNS service discovery";
+    homepage = "https://github.com/jstasiak/python-zeroconf";
+    license = licenses.lgpl21;
+    maintainers = [ ];
+  };
+}