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/armagetronad/default.nix

@@ -0,0 +1,42 @@
+{ lib, stdenv, fetchurl
+, pkg-config, SDL, libxml2, SDL_image, libjpeg, libpng, libGLU, libGL, zlib
+, dedicatedServer ? false }:
+
+let
+  versionMajor = "0.2.9";
+  versionMinor = "1.0";
+  version = "${versionMajor}.${versionMinor}";
+in
+stdenv.mkDerivation {
+  pname = if dedicatedServer then "armagetronad-dedicated" else "armagetronad";
+  inherit version;
+  src = fetchurl {
+    url = "https://launchpad.net/armagetronad/${versionMajor}/${version}/+download/armagetronad-${version}.tbz";
+    sha256 = "sha256-WbbHwBzj+MylQ34z+XSmN1KVQaEapPUsGlwXSZ4m9qE";
+  };
+
+  enableParallelBuilding = true;
+
+  configureFlags = [
+    "--enable-memmanager"
+    "--enable-automakedefaults"
+    "--disable-useradd"
+    "--disable-initscripts"
+    "--disable-etc"
+    "--disable-uninstall"
+    "--disable-sysinstall"
+  ] ++ lib.optional dedicatedServer "--enable-dedicated";
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [ libxml2 zlib ]
+    ++ lib.optionals (!dedicatedServer) [ SDL SDL_image libxml2 libjpeg libpng libGLU libGL ];
+
+  meta = with lib; {
+    homepage = "http://armagetronad.org";
+    description = "A multiplayer networked arcade racing game in 3D similar to Tron";
+    maintainers = with maintainers; [ numinit ];
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+  };
+}