qcacmn: Add northbound notification for link reconfig

When link removal TBTT expires, indicate the link removal
info to upper layer by vendor event.

Change-Id: Idf882cb22ccbd1c8b4ad6f03c6d27980cdbaef50
CRs-Fixed: 3481313

os_if/linux/wlan_cfg80211.h

@@ -179,6 +179,7 @@
  * stats index
  * @QCA_NL80211_VENDOR_SUBCMD_DRIVER_DISCONNECT_REASON_INDEX:
  *	Driver disconnect reason index
+ * @QCA_NL80211_VENDOR_SUBCMD_LINK_RECONFIG_INDEX: link reconfig event index
  */
 
 enum qca_nl80211_vendor_subcmds_index {
@@ -306,6 +307,9 @@ enum qca_nl80211_vendor_subcmds_index {
 	QCA_NL80211_VENDOR_SUBCMD_ROAM_STATS_INDEX,
 #endif
 	QCA_NL80211_VENDOR_SUBCMD_CONNECTED_CHANNEL_STATS_INDEX,
+#if defined(CONN_MGR_ADV_FEATURE) && defined(WLAN_FEATURE_11BE_MLO)
+	QCA_NL80211_VENDOR_SUBCMD_LINK_RECONFIG_INDEX,
+#endif
 };
 
 #if !defined(SUPPORT_WDEV_CFG80211_VENDOR_EVENT_ALLOC) && \