qcacmn: Send mode change event after addkey

On STA connection, mode change event is sent to
userspace after association is completed. This causes
delay in processing of M1 frame at supplicant due to
latency associated with nl80211_get_wiphy_index
function as part of processing mode change vendor event.

Fix is to send mode change event for STA after key
is added.

Change-Id: Id403bfdd26ed3a47449ba3f2967f4b4322ad5da6
CRs-Fixed: 2260483
4 files changed