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/emulators/retroarch/kodi-advanced-launchers.nix

@@ -0,0 +1,36 @@
+{ stdenv, pkgs, lib, runtimeShell, cores ? [ ] }:
+
+let
+
+  script = exec: ''
+    #!${runtimeShell}
+    nohup sh -c "pkill -SIGTSTP kodi" &
+    # https://forum.kodi.tv/showthread.php?tid=185074&pid=1622750#pid1622750
+    nohup sh -c "sleep 10 && ${exec} '$@' -f;pkill -SIGCONT kodi"
+  '';
+  scriptSh = exec: pkgs.writeScript ("kodi-"+exec.name) (script exec.path);
+  execs = map (core: rec { name = core.core; path = core+"/bin/retroarch-"+name;}) cores;
+
+in
+
+stdenv.mkDerivation {
+  pname = "kodi-retroarch-advanced-launchers";
+  version = "0.2";
+
+  dontBuild = true;
+
+  buildCommand = ''
+    mkdir -p $out/bin
+    ${lib.concatMapStrings (exec: "ln -s ${scriptSh exec} $out/bin/kodi-${exec.name};") execs}
+  '';
+
+  meta = {
+    description = "Kodi retroarch advanced launchers";
+    longDescription = ''
+      These retroarch launchers are intended to be used with
+      advanced (emulation) launcher for Kodi since device input is
+      otherwise caught by both Kodi and the retroarch process.
+    '';
+    license = lib.licenses.gpl3;
+  };
+}