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/odoo.nix

@@ -0,0 +1,27 @@
+import ./make-test-python.nix ({ pkgs, lib, ...} : with lib; {
+  name = "odoo";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ mkg20001 ];
+  };
+
+  nodes = {
+    server = { ... }: {
+      services.nginx = {
+        enable = true;
+        recommendedProxySettings = true;
+      };
+
+      services.odoo = {
+        enable = true;
+        domain = "localhost";
+      };
+    };
+  };
+
+  testScript = { nodes, ... }:
+  ''
+    server.wait_for_unit("odoo.service")
+    server.wait_until_succeeds("curl -s http://localhost:8069/web/database/selector | grep '<title>Odoo</title>'")
+    server.succeed("curl -s http://localhost/web/database/selector | grep '<title>Odoo</title>'")
+  '';
+})