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/printbox/text.nix

@@ -0,0 +1,14 @@
+{ buildDunePackage, printbox, uucp, uutf, mdx }:
+
+buildDunePackage {
+  pname = "printbox-text";
+  inherit (printbox) src version useDune2 doCheck;
+
+  propagatedBuildInputs = [ printbox uucp uutf ];
+
+  checkInputs = [ mdx.bin ];
+
+  meta = printbox.meta // {
+    description = "Text renderer for printbox, using unicode edges";
+  };
+}