wifi: mac80211: set EHT support flag in AP mode

Set 'eht_support' flag if EHT capabilities are present.

Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Link: https://lore.kernel.org/r/20230410200332.32265-1-quic_alokad@quicinc.com


Signed-off-by: Johannes Berg <johannes.berg@intel.com>