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/sdlpop/prince.sh

@@ -0,0 +1,16 @@
+#! @shell@
+
+set -euo pipefail
+
+mkdir -p ~/.local/share/sdlpop
+cd ~/.local/share/sdlpop
+
+for i in SDLPoP.ini mods; do
+  [ -e $i ] || cp -r @out@/share/sdlpop/$i .
+done
+
+# Create the data symlink or update it (in case it is a symlink, else the user
+# has probably tinkered with it and does not want it to be recreated).
+[ ! -e data -o -L data ] && ln -sf @out@/share/sdlpop/data .
+
+exec -a "prince" @out@/bin/.prince-bin "$@"