qcacmn: Add new variable in dp peer to store link ID

Add new link_id variable in dp peer to store link ID.

Change-Id: I5445e2adc43c8bec895d79283ba5e5f8d6c0b095
CRs-Fixed: 3443916

dp/wifi3.0/dp_types.h

@@ -4829,6 +4829,11 @@ struct dp_peer {
 	enum cdp_peer_type peer_type;
 	/*---------for link peer---------*/
 	struct dp_peer *mld_peer;
+
+	/*Link ID of link peer*/
+	uint8_t link_id;
+	bool link_id_valid;
+
 	/*---------for mld peer----------*/
 	struct dp_peer_link_info link_peers[DP_MAX_MLO_LINKS];
 	uint8_t num_links;