wireless/ieee80215: Fixes poll request issue

wireless/ieee802154/mac802154_poll.c

@@ -142,6 +142,12 @@ int mac802154_req_poll(MACHANDLE mac, FAR struct ieee802154_poll_req_s *req)
                                txdesc);
     }
 
+  /* Save a copy of the destination addressing infromation into the tx descriptor.
+   * We only do this for commands to help with handling their progession.
+   */
+
+  memcpy(&txdesc->destaddr, &req->coordaddr, sizeof(struct ieee802154_addr_s));
+
   /* Save a reference of the tx descriptor */
 
   priv->cmd_desc = txdesc;