LinuxKPI: 802.11: header updates for mt76
Add more structs, fields, flags, defines.
Sponsored by: The FreeBSD Foundation
Approved by: re (cperciva)
(cherry picked from commit 675e6b1c68ba71af1853952f7df4d84399340009)
(cherry picked from commit 6a0dbc0a1246c9825f0892bb6dd957f5d081057a)