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/0ad/wrapper.nix

@@ -0,0 +1,24 @@
+{ buildEnv, makeWrapper, zeroad-unwrapped, zeroad-data }:
+
+assert zeroad-unwrapped.version == zeroad-data.version;
+
+buildEnv {
+  name = "zeroad-${zeroad-unwrapped.version}";
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  paths = [ zeroad-unwrapped zeroad-data ];
+
+  pathsToLink = [ "/" "/bin" ];
+
+  postBuild = ''
+    for i in $out/bin/*; do
+      wrapProgram "$i" \
+        --set ZEROAD_ROOTDIR "$out/share/0ad"
+    done
+  '';
+
+  meta = zeroad-unwrapped.meta // {
+    hydraPlatforms = [];
+  };
+}