qcacmn: Handle vendor control command and event

WMI_ROAM_GET_VENDOR_CONTROL_PARAM_CMDID: Add support
for a new roam command to get vendor control parameters
from FW. Host needs to send proper param ID in command
(from enum WMI_ROAM_GET_VENDOR_CONTROL_PARAM_ID)
to get corresponding INI value from FW.

WMI_ROAM_GET_VENDOR_CONTROL_PARAM_EVENTID:
Add support for a new roam event to get param value
from FW. FW sends this event upon receiving
WMI_ROAM_GET_VENDOR_CONTROL_PARAM_CMDID command.

Change-Id: Ic7b3badb14daff183dd36927b4dae6bbc036e6cd
CRs-Fixed: 3225166

wmi/inc/wmi_unified_param.h

@@ -5068,6 +5068,9 @@ typedef enum {
 #if defined(WIFI_POS_CONVERGED) && defined(WLAN_FEATURE_RTT_11AZ_SUPPORT)
 	wmi_rtt_pasn_peer_create_req_eventid,
 	wmi_rtt_pasn_peer_delete_eventid,
+#endif
+#ifdef WLAN_VENDOR_HANDOFF_CONTROL
+	wmi_get_roam_vendor_control_param_event_id,
 #endif
 	wmi_events_max,
 } wmi_conv_event_id;