Backport hostapd and mac80211 from Barrier Breaker
Update mac80211 backport
Add support for TL-WR842N/ND v2 and TL-MR3420 v2

Only compile tested, might not work.
Update mac80211 backport
Update QCA953x support

This should fix the TX power problems with the TL-WR841N/ND v9.
Merge pull request #2 from freifunk-gluon/master

Merge latest updates from main gluon repo