[][MAC80211][misc][Add autofill EHT BF config in netifd script]

[Description]
Add support to autofill eht bf config in hostapd configuration.
If htmode is configured as EHT*, the configuration "eht_su_beamformer",
"eht_su_beamformee" and "eht_mu_beamformer" shall be added into hostapd
configuration.

[Release-log]
N/A

Change-Id: I5ae0180952b7542d8a04fd3653a488a9423cbba2
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7328342
1 file changed