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/prettym/default.nix

@@ -0,0 +1,48 @@
+{ alcotest
+, base64
+, bigarray-compat
+, bigarray-overlap
+, bigstringaf
+, buildDunePackage
+, fetchzip
+, fmt
+, jsonm
+, ke
+, lib
+, ptime
+}:
+
+buildDunePackage rec {
+  pname = "prettym";
+  version = "0.0.2";
+
+  src = fetchzip {
+    url = "https://github.com/dinosaure/prettym/releases/download/${version}/prettym-${version}.tbz";
+    sha256 = "03x7jh62mvzc6x2d8xsy456qa6iphw72zm7jmqrakpmsy6zcf2lb";
+  };
+
+  useDune2 = true;
+
+  propagatedBuildInputs = [
+    bigarray-compat
+    bigarray-overlap
+    bigstringaf
+    fmt
+    ke
+  ];
+
+  checkInputs = [
+    ptime
+    alcotest
+    jsonm
+    base64
+  ];
+  doCheck = true;
+
+  meta = {
+    description = "A simple bounded encoder to serialize human readable values and respect the 80-column constraint";
+    license = lib.licenses.mit;
+    homepage = "https://github.com/dinosaure/prettym";
+    maintainers = with lib.maintainers; [ ];
+  };
+}