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/tools/networking/ndjbdns/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, systemd, pkg-config }:
+
+with lib;
+
+stdenv.mkDerivation {
+  version = "1.06";
+  pname = "ndjbdns";
+
+  src = fetchFromGitHub {
+    owner = "pjps";
+    repo = "ndjbdns";
+    rev = "64d371b6f887621de7bf8bd495be10442b2accd0";
+    sha256 = "0gjyvn8r66kp49gasd6sqfvg2pj0c6v67hnq7cqwl04kj69rfy86";
+  };
+
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
+  buildInputs = [ ]
+    ++ optional stdenv.isLinux systemd;
+
+  meta = {
+    description = "A brand new release of the Djbdns";
+    longDescription = ''
+      Djbdns is a fully‐fledged Domain Name System(DNS), originally written by the eminent author of qmail, Dr. D J Bernstein.
+    '';
+    homepage = "http://pjp.dgplug.org/ndjbdns/";
+    license = licenses.gpl2;
+    maintainers = [ maintainers.msackman ];
+    platforms = platforms.linux ++ platforms.darwin;
+  };
+
+}