qcacmn: Add support for WMI_ROAM_SYNCH_KEY_EVENTID

Add support to handle WMI_ROAM_SYNCH_KEY_EVENTID.
WMI_ROAM_SYNCH_KEY_EVENTID is received after roaming to 3 Link
MLO AP when standby link is supported.

Add changes to register handler function pointers and parse
the event.

Change-Id: Iee17560f9f1f3242ef512a550764a9c64319b67f
CRs-Fixed: 3571673

wmi/inc/wmi_unified_param.h

@@ -5343,6 +5343,9 @@ typedef enum {
 #ifdef WLAN_FEATURE_11BE_MLO
 	wmi_mlo_link_state_info_eventid,
 #endif
+#if defined(WLAN_FEATURE_ROAM_OFFLOAD) && defined(WLAN_FEATURE_11BE_MLO)
+	wmi_roam_synch_key_event_id,
+#endif
 #ifdef QCA_SUPPORT_PRIMARY_LINK_MIGRATE
 	wmi_peer_ptqm_migration_response_eventid,
 #endif