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/json-data-encoding/bson.nix

@@ -0,0 +1,21 @@
+{ lib, buildDunePackage, json-data-encoding, ocplib-endian, crowbar, alcotest }:
+
+buildDunePackage {
+  pname = "json-data-encoding-bson";
+
+  inherit (json-data-encoding) version src doCheck;
+
+  propagatedBuildInputs = [
+    json-data-encoding
+    ocplib-endian
+  ];
+
+  checkInputs = [
+    crowbar
+    alcotest
+  ];
+
+  meta = json-data-encoding.meta // {
+    description = "Type-safe encoding to and decoding from JSON (bson support)";
+  };
+}