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/limesurvey.nix

@@ -0,0 +1,26 @@
+import ./make-test-python.nix ({ pkgs, ... }: {
+  name = "limesurvey";
+  meta.maintainers = [ pkgs.lib.maintainers.aanderse ];
+
+  nodes.machine = { ... }: {
+    services.limesurvey = {
+      enable = true;
+      virtualHost = {
+        hostName = "example.local";
+        adminAddr = "root@example.local";
+      };
+    };
+
+    # limesurvey won't work without a dot in the hostname
+    networking.hosts."127.0.0.1" = [ "example.local" ];
+  };
+
+  testScript = ''
+    start_all()
+
+    machine.wait_for_unit("phpfpm-limesurvey.service")
+    assert "The following surveys are available" in machine.succeed(
+        "curl -f http://example.local/"
+    )
+  '';
+})