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/reason-native/dir.nix

@@ -0,0 +1,18 @@
+{ reason, fp, ... }:
+
+{
+  pname = "dir";
+
+  nativeBuildInputs = [
+    reason
+  ];
+
+  propagatedBuildInputs = [
+    fp
+  ];
+
+  meta = {
+    description = "A library that provides a consistent API for common system, user and application directories consistently on all platforms";
+    downloadPage = "https://github.com/reasonml/reason-native/tree/master/src/dir";
+  };
+}