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/libraries/tntnet/default.nix

@@ -0,0 +1,23 @@
+{ lib, stdenv, fetchurl, cxxtools, zlib, openssl, zip }:
+
+stdenv.mkDerivation rec {
+  pname = "tntnet";
+  version = "2.2.1";
+
+  src = fetchurl {
+    url = "http://www.tntnet.org/download/${pname}-${version}.tar.gz";
+    sha256 = "08bmak9mpbamwwl3h9p8x5qzwqlm9g3jh70y0ml5hk7hiv870cf8";
+  };
+
+  buildInputs = [ cxxtools zlib openssl zip ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    homepage = "http://www.tntnet.org/tntnet.html";
+    description = "Web server which allows users to develop web applications using C++";
+    platforms = platforms.linux ;
+    license = licenses.lgpl21;
+    maintainers = [ maintainers.juliendehos ];
+  };
+}