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/stepmania/default.nix

@@ -0,0 +1,46 @@
+{ stdenv, lib, fetchFromGitHub, cmake, nasm
+, gtk2, glib, ffmpeg, alsa-lib, libmad, libogg, libvorbis
+, glew, libpulseaudio, udev
+}:
+
+stdenv.mkDerivation rec {
+  pname = "stepmania";
+  version = "5.1.0-b2";
+
+  src = fetchFromGitHub {
+    owner = "stepmania";
+    repo  = "stepmania";
+    rev   = "v${version}";
+    sha256 = "0a7y9l7xm510vgnpmj1is7p9m6d6yd0fcaxrjcickz295k5w3rdn";
+  };
+
+  patches = [
+    ./0001-fix-build-with-ffmpeg-4.patch
+  ];
+
+  nativeBuildInputs = [ cmake nasm ];
+
+  buildInputs = [
+    gtk2 glib ffmpeg alsa-lib libmad libogg libvorbis
+    glew libpulseaudio udev
+  ];
+
+  cmakeFlags = [
+    "-DWITH_SYSTEM_FFMPEG=1"
+    "-DGTK2_GDKCONFIG_INCLUDE_DIR=${gtk2.out}/lib/gtk-2.0/include"
+    "-DGTK2_GLIBCONFIG_INCLUDE_DIR=${glib.out}/lib/glib-2.0/include"
+  ];
+
+  postInstall = ''
+    mkdir -p $out/bin
+    ln -s $out/stepmania-5.1/stepmania $out/bin/stepmania
+  '';
+
+  meta = with lib; {
+    homepage = "https://www.stepmania.com/";
+    description = "Free dance and rhythm game for Windows, Mac, and Linux";
+    platforms = platforms.linux;
+    license = licenses.mit; # expat version
+    maintainers = [ ];
+  };
+}