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/games/deliantra/server.nix

@@ -0,0 +1,52 @@
+{ stdenv, lib, fetchurl, perlPackages
+, autoconf, perl, gperf, optipng, pngnq, rsync, imagemagick, blitz
+, pkg-config, glib, boost, makeWrapper
+}:
+
+let
+  perl-deps = with perlPackages; [
+    AnyEvent AnyEventAIO AnyEventBDB AnyEventIRC
+    CompressLZF commonsense Coro CoroEV
+    Deliantra DigestSHA1 EV PodPOM SafeHole URI YAMLLibYAML
+  ];
+in
+stdenv.mkDerivation rec {
+  pname = "deliantra-server";
+  version = "3.1";
+
+  src = fetchurl {
+    url = "http://dist.schmorp.de/deliantra/${pname}-${version}.tar.xz";
+    sha256 = "0v0m2m9fxq143aknh7jb3qj8bnpjrs3bpbbx07c18516y3izr71d";
+  };
+
+  nativeBuildInputs = [
+    autoconf perl gperf optipng pngnq rsync imagemagick
+    pkg-config makeWrapper
+  ];
+
+  propagatedBuildInputs = perl-deps;
+
+  buildInputs = [
+    blitz boost glib
+  ];
+
+  hardeningDisable = [ "format" ];
+
+  patches = [
+    ./0001-abs.patch
+    ./0002-datadir.patch
+  ];
+
+  postFixup = ''
+    wrapProgram $out/bin/cfutil --prefix PERL5LIB : $PERL5LIB
+    wrapProgram $out/bin/deliantra-server --prefix PERL5LIB : $PERL5LIB
+  '';
+
+  meta = with lib; {
+    description = "Server for the Deliantra free MMORPG";
+    homepage = "http://www.deliantra.net/";
+    license = with licenses; [ gpl2Plus agpl3Plus ];
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ ToxicFrog ];
+  };
+}