Send connected links bitmap to FW via a command:
WMI_REQUEST_STATS_EXT_CMDID in case of MLO connection.
Host receives partner link stats via WMI_STATS_EXT_EVENTID
event and sends information of partner links to upper layer.
Change-Id: Iddd617f1acb5e29e4ba6d52baae0b421c4886063
CRs-Fixed: 3148451