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/dune-configurator/default.nix

@@ -0,0 +1,21 @@
+{ lib, buildDunePackage, dune_2, csexp, result }:
+
+buildDunePackage rec {
+  pname = "dune-configurator";
+
+  useDune2 = true;
+
+  inherit (dune_2) src version patches;
+
+  minimumOCamlVersion = "4.03";
+
+  dontAddPrefix = true;
+
+  propagatedBuildInputs = [ csexp result ];
+
+  meta = with lib; {
+    description = "Helper library for gathering system configuration";
+    maintainers = [ maintainers.marsam ];
+    license = licenses.mit;
+  };
+}