qcacld-3.0: Reset num partner links on each candidate try

Driver tries next candidate during connection if current
candidate fails in the join procedure. For each candidate
the number of partner links for that candidate is updated in
connect req params, but this won't update if the candidate
is not ML capable or is SLO.

If the previous candidate is MLO (MLMR or MLSR) which failed
in join and if the next candidate is SLO then the number of
partner links is not updated and will be non-zero for SLO
candidate which is invalid. This leads to going for partner
VDEV connect but with different MLD address than assoc VDEV
which is undesirable.

Always update the number of partner links on each candidate.

Change-Id: Id8147572706ee6a3055e68672aad04eaed4cf43a
CRs-Fixed: 3648252

components/umac/mlme/connection_mgr/core/src/wlan_cm_vdev_connect.c

@@ -1171,6 +1171,9 @@ cm_get_ml_partner_info(struct wlan_objmgr_pdev *pdev,
 	uint8_t mlo_support_link_num;
 	struct wlan_objmgr_psoc *psoc;
 
+	/* Initialize number of partner links as zero */
+	partner_info->num_partner_links = 0;
+
 	/* If ML IE is not present then return failure*/
 	if (!scan_entry->ie_list.multi_link_bv)
 		return QDF_STATUS_E_FAILURE;