Two points here. First, it looks like there is a problem here inherited
from the existing implementation. We go through payload, but in fact we
pass to cfg80211_inform_bss only the last QTN_TLV_ID_IE_SET element.
Second, it looks like QTN_TLV_ID_IE_SET here should be treated in
the same way as in qtnf_event_handle_sta_assoc, to avoid confusion.
In other words, either we use only QTN_TLV_ID_IE_SET in both cases,
or switch to specific qlink_tlv_ie_set elements.

Ignore the second point: it is addressed by the next patch.

Regards,
Sergey