qcacmn: Update stats API interface with xmit type

Update stats API interface with xmit type. Also, updates
unmap peer update mechanism.

Change-Id: Ib39dee1c74e59d5c2ff523b3eca983e54b54676b
CRs-Fixed: 3561679

dp/wifi3.0/dp_ipa.c

@@ -4149,7 +4149,7 @@ void dp_ipa_aggregate_vdev_stats(struct dp_vdev *vdev,
 
 	soc = vdev->pdev->soc;
 	dp_update_vdev_ingress_stats(vdev);
-	qdf_mem_copy(vdev_stats, &vdev->stats, sizeof(vdev->stats));
+	dp_copy_vdev_stats_to_tgt_buf(vdev_stats, &vdev->stats, DP_XMIT_LINK);
 	dp_vdev_iterate_peer(vdev, dp_ipa_update_vdev_stats, vdev_stats,
 			     DP_MOD_ID_GENERIC_STATS);
 	dp_update_vdev_rate_stats(vdev_stats, &vdev->stats);