net80211/LinuxKPI: add more radiotap definitions

Add more raditap definitions based on "names" found in actual drivers
and based on documentation from radiotap.org (where avail).

Leave one specific "duplicate" in the LinuxKPI implementation but
otherwise manage it all in net80211.

Sponsored by: The FreeBSD Foundation
Reviewed by: hselasky, adrian, sam
Differential Revision: https://reviews.freebsd.org/D30641

(cherry picked from commit b5d37e5a20ab1b189499e2824dc269d998c31989)