LinuxKPI: 802.11: adjust lower wake_queue locking

In bc24342d96aa8 we added lower wake_queue locking. There are paths,
such as in rtw89 from a (*hw_scan_cancel)() that we can get to there and
then would recursively acquire the wiphy lock which is not allowed.
Adjust locking to a spin lock to match Linux driver expectations.

Sponsored by: The FreeBSD Foundation
Fixes: bc24342d96aa8
MFC after: 3 days