qcacld-3.0: Process external auth command and set preauth node state

Hostapd sends SAE authentication status with the NL command
NL80211_CMD_EXTERNAL_AUTH. Extract status and peer mac address
from the command data and set mlmState in preauth node accordingly.

Change-Id: If507a2f56c031ae1885a11d5f7cbe31a18aa8821
CRs-Fixed: 2396366
5 files changed