qcacmn: Add API to fetch logically deleted peer list of a vdev

Add API to fetch the logically deleted peer list for a given vdev
and also add change to move peer delete request and response
related stats from pdev to vdev layer

Change-Id: Ibaac286a1e6ca86988b223055c15a6b9ba6cf4b9
CRs-Fixed: 2448111
2 files changed