qcacld-3.0: Handle peer leak during SSR incase of SAE
Currently, there is a peer leak when SSR is triggered during SAE
authentication.
To avoid this,don't purge serialization commands from hdd_wlan_shutdown.
Change-Id: I05a646f2af9d31bda27bb74b8f58390d3bf09623
CRs-Fixed: 2678294