HiFive Unmatched support

From: <tuexen_at_freebsd.org>
Date: Sun, 08 Aug 2021 18:58:06 UTC
Dear all,

according to https://wiki.freebsd.org/riscv/HiFiveUnmatched support for the
HiFive Unmatched is now support by FreeBSD. This is great!

Are there any instructions available how to install FreeBSD on an SSD such
that it runs from that SSD? Any hints welcome.

Best regards
Michael