[][MAC80211][hostapd][hemu ctrl-add sanity check]

[Description]
Add sanity check in hostapd whether driver support this vendor commands
for hostapd hemu onoff control

[Release-log]
N/A

Change-Id: I9cbda45f9e3de881f5b76c3cfddc185407634eb2
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6283451
1 file changed