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>

nixos/tests/xmonad-xdg-autostart.nix

@@ -0,0 +1,35 @@
+import ./make-test-python.nix ({ lib, ... }: {
+  name = "xmonad-xdg-autostart";
+  meta.maintainers = with lib.maintainers; [ oxalica ];
+
+  nodes.machine = { pkgs, config, ... }: {
+    imports = [ ./common/x11.nix ./common/user-account.nix ];
+    test-support.displayManager.auto.user = "alice";
+    services.xserver.displayManager.defaultSession = "none+xmonad";
+    services.xserver.windowManager.xmonad.enable = true;
+    services.xserver.desktopManager.runXdgAutostartIfNone = true;
+
+    environment.systemPackages = [
+      (pkgs.writeTextFile {
+        name = "test-xdg-autostart";
+        destination = "/etc/xdg/autostart/test-xdg-autostart.desktop";
+        text = ''
+          [Desktop Entry]
+          Name=test-xdg-autoatart
+          Type=Application
+          Terminal=false
+          Exec=${pkgs.coreutils}/bin/touch ${config.users.users.alice.home}/xdg-autostart-executed
+        '';
+      })
+    ];
+  };
+
+  testScript = { nodes, ... }:
+    let
+      user = nodes.machine.config.users.users.alice;
+    in
+    ''
+      machine.wait_for_x()
+      machine.wait_for_file("${user.home}/xdg-autostart-executed")
+    '';
+})