qcacmn: add state to data path peer

Add states to data path peer and appropriate
checks for transistion of states

Change-Id: Ieaadbf4b406351d48aece7fd3552abe42d61db1e

dp/wifi3.0/dp_stats.c

@@ -6054,10 +6054,6 @@ dp_aggregate_pdev_ctrl_frames_stats(struct dp_pdev *pdev)
 	TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) {
 		TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) {
 
-			if (peer->delete_in_progress) {
-				dp_err("DP Peer deletion in progress");
-				continue;
-			}
 			if (dp_peer_get_ref(pdev->soc, peer,
 					    DP_MOD_ID_GENERIC_STATS) !=
 							QDF_STATUS_SUCCESS)