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/applications/video/kodi/addons/libretro/default.nix

@@ -0,0 +1,24 @@
+{ lib, rel, buildKodiBinaryAddon, fetchFromGitHub, tinyxml }:
+
+buildKodiBinaryAddon rec {
+  pname = "libretro";
+  namespace = "game.libretro";
+  version = "19.0.0";
+
+  src = fetchFromGitHub {
+    owner = "kodi-game";
+    repo = "game.libretro";
+    rev = "${version}-${rel}";
+    sha256 = "1831wbbc4a545lr4mg1fm4sbx75k5lkrfqaa5fh308aar0nm974d";
+  };
+
+  extraBuildInputs = [ tinyxml ];
+
+  meta = with lib; {
+    homepage = "https://github.com/kodi-game/game.libretro";
+    description = "Libretro wrapper for Kodi's Game API";
+    platforms = platforms.all;
+    license = licenses.gpl2Only;
+    maintainers = teams.kodi.members;
+  };
+}