wifi: mac80211: reset negotiated TTLM on disconnect

The negotiated TTLM data must be reset on disconnect, otherwise
it may end up getting reused on another connection. Fix that.

Fixes: 8f500fbc ("wifi: mac80211: process and save negotiated TID to Link mapping request")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506211858.04142e8fe01c.Ia144457e086ebd8ddcfa31bdf5ff210b4b351c22@changeid


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