qcacmn: Fix uninitialized RNR list and OOB memory access

Fix the case where RNR list can be used uninitialized and
fixed the OOB memory write access in 6Ghz BSSID and SSID hints
in scan req.

Change-Id: Ifc6a5f65876cd3ace744031bf59a3640409b63da
CRs-Fixed: 2637039
2 files changed