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/ocsigen-start/default.nix

@@ -0,0 +1,42 @@
+{ stdenv, lib, fetchFromGitHub, ocaml, findlib, ocsigen-toolkit, pgocaml_ppx, safepass, yojson
+, cohttp-lwt-unix, eliom
+, resource-pooling
+, ocamlnet
+, ocsigen-ppx-rpc
+}:
+
+stdenv.mkDerivation rec {
+  pname = "ocaml${ocaml.version}-ocsigen-start";
+  version = "6.0.1";
+
+  nativeBuildInputs = [ ocaml findlib eliom ];
+  buildInputs = [ ocsigen-ppx-rpc ];
+  propagatedBuildInputs = [ pgocaml_ppx safepass ocsigen-toolkit yojson resource-pooling cohttp-lwt-unix ocamlnet ];
+
+  strictDeps = true;
+
+  patches = [ ./templates-dir.patch ];
+
+  src = fetchFromGitHub {
+    owner = "ocsigen";
+    repo = "ocsigen-start";
+    rev = version;
+    sha256 = "sha256:097bjaxvb1canilmqr8ay3ihig2msq7z8mi0g0rnbciikj1jsrym";
+  };
+
+  preInstall = ''
+    mkdir -p $OCAMLFIND_DESTDIR
+  '';
+
+  meta = {
+    homepage = "http://ocsigen.org/ocsigen-start";
+    description = "Eliom application skeleton";
+    longDescription =''
+     An Eliom application skeleton, ready to use to build your own application with users, (pre)registration, notifications, etc.
+      '';
+    license = lib.licenses.lgpl21Only;
+    inherit (ocaml.meta) platforms;
+    maintainers = [ lib.maintainers.gal_bolle ];
+  };
+
+}