pyserial.tools.list_port improvement for FreeBSD

From: Poul-Henning Kamp <phk_at_phk.freebsd.dk>
Date: Mon, 21 Oct 2024 09:54:09 UTC
I have had reason to muck about with pyserial.

One result is much better pyserial.tools.list_port implementation for FreeBSD.

I would appreciate it, if somebody else could give it a spin, before I upstream:

	https://github.com/bsdphk/pyserial

Thanks in advance,

Poul-Henning

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.