* mac80211: refresh patches

* mac80211: build compat on kernel 4.14

* mac80211: Update to version 5.8

The removed patches were applied upstream.
Signed-off-by: NHauke Mehrtens <hauke@hauke-m.de>
Co-authored-by: NChen Minqiang <ptpt52@gmail.com>
Co-authored-by: NHauke Mehrtens <hauke@hauke-m.de>