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/nxengine-evo/default.nix

@@ -0,0 +1,68 @@
+{ lib, stdenv
+, fetchpatch
+, fetchurl
+, fetchFromGitHub
+, cmake
+, libpng
+, SDL2
+, SDL2_mixer
+}:
+
+stdenv.mkDerivation rec {
+  pname = "nxengine-evo";
+  version = "2.6.4";
+  src = fetchFromGitHub {
+    owner = "nxengine";
+    repo = "nxengine-evo";
+    rev = "v${version}";
+    sha256 = "sha256-krK2b1E5JUMxRoEWmb3HZMNSIHfUUGXSpyb4/Zdp+5A=";
+  };
+  assets = fetchurl {
+    url = "https://github.com/nxengine/nxengine-evo/releases/download/v${version}/NXEngine-v${version}-Linux.tar.xz";
+    sha256 = "1b5hkmsrrhnjjf825ri6n62kb3fldwl7v5f1cqvqyv47zv15g5gy";
+  };
+
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/nxengine/nxengine-evo/commit/1890127ec4b4b5f8d6cb0fb30a41868e95659840.patch";
+      sha256 = "18j22vzkikcwqd42vlhzd6rjp26dq0zslxw5yyl07flivms0hny2";
+    })
+    (fetchpatch {
+      url = "https://github.com/nxengine/nxengine-evo/commit/75b8b8e3b067fd354baa903332f2a3254d1cc017.patch";
+      sha256 = "0sjr7z63gp7nfxifxisvp2w664mxxk3xi4a3d86mm0470dj5m5bx";
+    })
+  ];
+
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [
+    libpng
+    SDL2
+    SDL2_mixer
+  ];
+
+  # Allow finding game assets.
+  postPatch = ''
+    sed -i -e "s,/usr/share/,$out/share/," src/ResourceManager.cpp
+  '';
+
+  installPhase = ''
+    cd ..
+    unpackFile ${assets}
+    mkdir -p $out/bin/ $out/share/nxengine/
+    install bin/* $out/bin/
+    cp -r NXEngine-evo-${version}-Linux/data/ $out/share/nxengine/data
+    chmod -R a=r,a+X $out/share/nxengine/data
+  '';
+
+  meta = {
+    description = "A complete open-source clone/rewrite of the masterpiece jump-and-run platformer Doukutsu Monogatari (also known as Cave Story)";
+    license = with lib.licenses; [
+      gpl3                   # Game engine
+      unfreeRedistributable  # Game assets, freeware
+    ];
+    maintainers = [ lib.maintainers.scubed2 ];
+    homepage = "https://github.com/nxengine/nxengine-evo";
+    platforms = lib.platforms.linux;
+  };
+}