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/reactivedata/default.nix

@@ -0,0 +1,34 @@
+{ lib, stdenv, fetchFromGitHub, ocaml, findlib, ocamlbuild, react, opaline }:
+
+if lib.versionOlder ocaml.version "4.04"
+then throw "reactiveData is not available for OCaml ${ocaml.version}"
+else
+
+stdenv.mkDerivation rec {
+  pname = "ocaml${ocaml.version}-reactiveData";
+  version = "0.2.2";
+
+  src = fetchFromGitHub {
+    owner = "ocsigen";
+    repo = "reactiveData";
+    rev = version;
+    sha256 = "sha256-YLkacIbjxZQ/ThgSxjTqviBYih6eW2GX5H7iybQDv1A=";
+  };
+
+  nativeBuildInputs = [ ocaml findlib ocamlbuild opaline ];
+  propagatedBuildInputs = [ react ];
+
+  strictDeps = true;
+
+  buildPhase = "ocaml pkg/build.ml native=true native-dynlink=true";
+
+  installPhase = "opaline -prefix $out -libdir $OCAMLFIND_DESTDIR";
+
+  meta = with lib; {
+    description = "An OCaml module for functional reactive programming (FRP) based on React";
+    homepage = "https://github.com/ocsigen/reactiveData";
+    license = licenses.lgpl21;
+    platforms = ocaml.meta.platforms or [ ];
+    maintainers = with maintainers; [ vbgl ];
+  };
+}