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/tracebox/default.nix

@@ -0,0 +1,34 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, libcrafter, libpcap, lua }:
+
+stdenv.mkDerivation rec {
+  pname = "tracebox";
+  version = "0.2";
+
+  src = fetchFromGitHub {
+    owner = "tracebox";
+    repo = "tracebox";
+    rev = "v${version}";
+    hash = "sha256-2r503xEF3/F9QQCEaSnd4Hw/RbbAhVj9C0SVZepVrT8=";
+  };
+
+  nativeBuildInputs = [ autoreconfHook ];
+  buildInputs = [ libcrafter lua ];
+
+  configureFlags = [ "--with-lua=yes" ];
+
+  NIX_LDFLAGS = "${libpcap}/lib/libpcap.so ${libcrafter}/lib/libcrafter.so";
+
+  preAutoreconf = ''
+    substituteInPlace Makefile.am --replace "noinst" ""
+    sed '/noinst/d' -i configure.ac
+    sed '/libcrafter/d' -i src/tracebox/Makefile.am
+  '';
+
+  meta = with lib; {
+    homepage = "http://www.tracebox.org/";
+    description = "A middlebox detection tool";
+    license = lib.licenses.gpl2;
+    maintainers = [ ];
+    platforms = platforms.linux;
+  };
+}