[PATCH v2] doc/nfb: update release notes for nfb driver

[Martin Špinler]

On Mon, 2026-02-02 at 21:12 +0100, spinler at cesnet.cz wrote:
> Update the release notes for the NFB driver
> with the timestamp value changes.

This release notes update should have been in series-37064 ("net/nfb:
code cleanup").
(And certainly not in "net/nfb: rework to real multiport" series, as
you pointed right).

But as the "net/nfb: code cleanup" was already nearly upstreamed, I
didn't dare to modify them with this patch.