wifi: mm81x: factor out tx width selection

The tx mac op is getting busy, lets factor out tx width selection to
prepare for some future tx width selection fixes.

No functional changes.

Link: https://patch.msgid.link/20260827054917.255584-6-lachlan.hodges@morsemicro.com
Signed-off-by: Lachlan Hodges <lachlan.hodges@morsemicro.com>
This commit is contained in:
Lachlan Hodges 2026-08-27 15:49:14 +10:00
commit c9c88ce192