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/otfm/default.nix

@@ -0,0 +1,42 @@
+{ lib, stdenv, fetchurl, ocaml, findlib, ocamlbuild, topkg, uutf, result }:
+
+let
+  pname = "otfm";
+  version = "0.3.0";
+  webpage = "https://erratique.ch/software/${pname}";
+in
+
+assert lib.versionAtLeast ocaml.version "4.01.0";
+
+stdenv.mkDerivation {
+
+  name = "ocaml-${pname}-${version}";
+
+  src = fetchurl {
+    url = "${webpage}/releases/${pname}-${version}.tbz";
+    sha256 = "054s82539k3kc9na6s47g3scsl04icjahpas7pv5351jmsgqcq3k";
+  };
+
+  nativeBuildInputs = [ ocaml findlib ocamlbuild topkg ];
+  buildInputs = [ topkg ];
+
+  propagatedBuildInputs = [ uutf result ];
+
+  strictDeps = true;
+
+  inherit (topkg) buildPhase installPhase;
+
+  meta = with lib; {
+    description = "OpenType font decoder for OCaml";
+    longDescription = ''
+      Otfm is an in-memory decoder for the OpenType font data format. It
+      provides low-level access to font tables and functions to decode some
+      of them.
+    '';
+    homepage = webpage;
+    license = licenses.bsd3;
+    maintainers = [ maintainers.jirkamarsik ];
+    mainProgram = "otftrip";
+    inherit (ocaml.meta) platforms;
+  };
+}