I would like to have this package keyworded for x86. I've tested it on an old x86 Pentium M myself.
commit 0ff6cbe29216d8421f834abe53d2529f214f4ccf Author: Göktürk Yüksek <gokturk@gentoo.org> Date: Tue Jun 28 17:19:04 2016 -0400 app-crypt/libu2f-host: add ~x86 keyword #58698 Tested by myself on x86 (Pentium M). Acked by radhermit.