qcacmn: Moving peer find function in common path

peer find by mac function is getting used by
many components. so, Movng that to common path.

Change-Id: I390b86af73618661857ed80d478fe4f48bee9fe1
CRs-Fixed: 3563204

dp/wifi3.0/dp_peer.h

@@ -1315,6 +1315,17 @@ void dp_peer_find_map_detach(struct dp_soc *soc);
 void dp_soc_wds_detach(struct dp_soc *soc);
 QDF_STATUS dp_peer_ast_table_attach(struct dp_soc *soc);
 
+/**
+ * dp_find_peer_by_macaddr() - Finding the peer from mac address provided.
+ * @soc: soc handle
+ * @mac_addr: MAC address to be used to find peer
+ * @vdev_id: VDEV id
+ * @mod_id: MODULE ID
+ *
+ * Return: struct dp_peer
+ */
+struct dp_peer *dp_find_peer_by_macaddr(struct dp_soc *soc, uint8_t *mac_addr,
+					uint8_t vdev_id, enum dp_mod_id mod_id);
 /**
  * dp_peer_ast_hash_attach() - Allocate and initialize AST Hash Table
  * @soc: SoC handle