broadcom-sta fails to build with kernel 5.18 due to deprecated symbols.

There appears to be a patch available in the Arch community:
https://github.com/archlinux/svntogit-community/blob/master/broadcom-wl-dkms/trunk/013-linux518.patch

Regards

We believe that the bug you reported is fixed in the latest version of
broadcom-sta, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1012481@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Eduard Bloch <blade@debian.org> (supplier of updated broadcom-sta package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Wed, 08 Jun 2022 20:16:18 +0200
Source: broadcom-sta
Binary: broadcom-sta-common broadcom-sta-dkms broadcom-sta-source
Architecture: source all
Version: 6.30.223.271-20
Distribution: unstable
Urgency: low
Maintainer: Eduard Bloch <blade@debian.org>
Changed-By: Eduard Bloch <blade@debian.org>
Description:
 broadcom-sta-common - Common files for the Broadcom STA Wireless driver
 broadcom-sta-dkms - dkms source for the Broadcom STA Wireless driver
 broadcom-sta-source - Source for the Broadcom STA Wireless driver
Closes: 1012481
Changes:
 broadcom-sta (6.30.223.271-20) unstable; urgency=low
 .
   * debian/patches/26-linux518.patch: build fix for Linux 5.18.
     Based on ArchLinux patch, closes: #1012481
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