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/ocurl/default.nix

@@ -0,0 +1,30 @@
+{ stdenv, lib, pkg-config, ocaml, findlib, fetchurl, curl, ncurses, lwt }:
+
+if lib.versionOlder ocaml.version "4.02"
+then throw "ocurl is not available for OCaml ${ocaml.version}"
+else
+
+stdenv.mkDerivation rec {
+  pname = "ocurl";
+  version = "0.9.1";
+
+  src = fetchurl {
+    url = "http://ygrek.org.ua/p/release/ocurl/ocurl-${version}.tar.gz";
+    sha256 = "0n621cxb9012pj280c7821qqsdhypj8qy9qgrah79dkh6a8h2py6";
+  };
+
+  nativeBuildInputs = [ pkg-config ocaml findlib ];
+  buildInputs = [ ncurses ];
+  propagatedBuildInputs = [ curl lwt ];
+
+  strictDeps = true;
+
+  createFindlibDestdir = true;
+  meta = {
+    description = "OCaml bindings to libcurl";
+    license = lib.licenses.mit;
+    homepage = "http://ygrek.org.ua/p/ocurl/";
+    maintainers = with lib.maintainers; [ bennofs ];
+    platforms = ocaml.meta.platforms or [ ];
+  };
+}