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/tayga/default.nix

@@ -0,0 +1,26 @@
+{ lib, stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  version = "0.9.2";
+  pname = "tayga";
+
+  src = fetchurl {
+    url= "http://www.litech.org/${pname}/${pname}-${version}.tar.bz2";
+    sha256 = "1700y121lhvpna49bjpssb7jq1abj9qw5wxgjn8gzp6jm4kpj7rb";
+  };
+
+  meta = with lib; {
+    description = "Userland stateless NAT64 daemon";
+    longDescription = ''
+      TAYGA is an out-of-kernel stateless NAT64 implementation
+      for Linux that uses the TUN driver to exchange IPv4 and
+      IPv6 packets with the kernel.
+      It is intended to provide production-quality NAT64 service
+      for networks where dedicated NAT64 hardware would be overkill.
+    '';
+    homepage = "http://www.litech.org/tayga";
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ _0x4A6F ];
+    platforms = platforms.linux;
+  };
+}