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/npush/run.nix

@@ -0,0 +1,31 @@
+{ runtimeShell
+, symlinkJoin
+, writeShellScriptBin
+, npush
+}:
+
+let
+  runScript = writeShellScriptBin "run-npush" ''
+    set -euo pipefail
+    CWD=$(pwd)
+
+    if [ -d "./levels" ]; then
+      echo "Directory ./levels found; skipping levelset copy"
+    else
+      echo "Directory ./levels not found; copying the official levelset to the current directory"
+      mkdir -p ./levels
+      cp ${npush}/share/npush/levels/* levels/
+      chmod 644 levels/*
+    fi
+    echo "Now calling npush"
+    exec "${npush}/bin/npush"
+  '';
+in
+symlinkJoin {
+  name = "run-npush-${npush.version}";
+
+  paths = [
+    npush
+    runScript
+  ];
+}