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/tools/ocaml/ocamlify/default.nix

@@ -0,0 +1,36 @@
+{ lib, stdenv, fetchurl, ocaml, findlib, ocamlbuild }:
+
+stdenv.mkDerivation rec {
+  pname = "ocamlify";
+  version = "0.0.2";
+
+  src = fetchurl {
+    url = "https://forge.ocamlcore.org/frs/download.php/1209/${pname}-${version}.tar.gz";
+    sha256 = "1f0fghvlbfryf5h3j4as7vcqrgfjb4c8abl5y0y5h069vs4kp5ii";
+  };
+
+  buildInputs = [ ocaml findlib ocamlbuild ];
+
+  configurePhase = ''
+    substituteInPlace src/ocamlify.ml --replace 'OCamlifyConfig.version' '"0.0.2"'
+  '';
+
+  buildPhase = "ocamlbuild src/ocamlify.native";
+
+  installPhase = ''
+    mkdir -p $out/bin
+    mv _build/src/ocamlify.native $out/bin/ocamlify
+  '';
+
+  dontStrip = true;
+
+  meta = {
+    homepage = "https://forge.ocamlcore.org/projects/ocamlmod/ocamlmod";
+    description = "Generate OCaml modules from source files";
+    platforms = ocaml.meta.platforms or [];
+    license = lib.licenses.lgpl21;
+    maintainers = with lib.maintainers; [
+      maggesi
+    ];
+  };
+}