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/syncthing-init.nix

@@ -0,0 +1,31 @@
+import ./make-test-python.nix ({ lib, pkgs, ... }: let
+
+  testId = "7CFNTQM-IMTJBHJ-3UWRDIU-ZGQJFR6-VCXZ3NB-XUH3KZO-N52ITXR-LAIYUAU";
+
+in {
+  name = "syncthing-init";
+  meta.maintainers = with pkgs.lib.maintainers; [ lassulus ];
+
+  nodes.machine = {
+    services.syncthing = {
+      enable = true;
+      devices.testDevice = {
+        id = testId;
+      };
+      folders.testFolder = {
+        path = "/tmp/test";
+        devices = [ "testDevice" ];
+      };
+      extraOptions.gui.user = "guiUser";
+    };
+  };
+
+  testScript = ''
+    machine.wait_for_unit("syncthing-init.service")
+    config = machine.succeed("cat /var/lib/syncthing/.config/syncthing/config.xml")
+
+    assert "testFolder" in config
+    assert "${testId}" in config
+    assert "guiUser" in config
+  '';
+})