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/development/ocaml-modules/resto/cohttp-server.nix

@@ -0,0 +1,25 @@
+{ lib
+, buildDunePackage
+, resto
+, resto-directory
+, resto-acl
+, resto-cohttp
+, cohttp-lwt-unix
+, conduit-lwt-unix
+, lwt
+}:
+
+buildDunePackage {
+  pname = "resto-cohttp-server";
+  inherit (resto) src version meta doCheck;
+
+  propagatedBuildInputs = [
+    resto
+    resto-directory
+    resto-acl
+    resto-cohttp
+    cohttp-lwt-unix
+    conduit-lwt-unix
+    lwt
+  ];
+}