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/posix/time2.nix

@@ -0,0 +1,16 @@
+{ lib, buildDunePackage, posix-base, posix-types, unix-errno }:
+
+buildDunePackage {
+  pname = "posix-time2";
+
+  inherit (posix-base) version src;
+
+  propagatedBuildInputs = [ posix-base posix-types unix-errno ];
+
+  doCheck = true;
+
+  meta = posix-base.meta // {
+    description = "posix-time2 provides the types and bindings for posix time APIs";
+    maintainers = with lib.maintainers; [ dandellion ];
+  };
+}