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/clonehero/xdg-wrapper.nix

@@ -0,0 +1,21 @@
+{ stdenv, clonehero-unwrapped, writeScript }:
+
+# Clone Hero doesn't have an installer, so it just stores configuration & data relative to the binary.
+# This wrapper works around that limitation, storing game configuration & data in XDG_CONFIG_HOME.
+let
+  name = "clonehero";
+  desktopName = "Clone Hero";
+in
+writeScript "${name}-xdg-wrapper-${clonehero-unwrapped.version}" ''
+  #!${stdenv.shell} -e
+  configDir="''${XDG_CONFIG_HOME:-$HOME/.config}/unity3d/srylain Inc_/${desktopName}"
+  mkdir -p "$configDir"
+
+  # Force link shipped clonehero_Data, unless directory already exists (to allow modding)
+  if [ ! -d "$configDir/clonehero_Data" ] || [ -L "$configDir/clonehero_Data" ]; then
+    ln -snf ${clonehero-unwrapped}/share/clonehero_Data "$configDir"
+  fi
+
+  # Fake argv[0] to emulate running in the config directory
+  exec -a "$configDir/${name}" ${clonehero-unwrapped}/bin/${name} "$@"
+''