qcacld-3.0: 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: I03679bcf359a0f425aab7b9ea1c3cb6d84fbb0ca
CRs-Fixed: 3225160

components/mlme/dispatcher/inc/wlan_mlme_public_struct.h

@@ -1957,6 +1957,7 @@ struct wlan_mlme_lfr_cfg {
 	uint32_t roam_rescan_rssi_diff;
 	uint16_t neighbor_scan_min_chan_time;
 	uint16_t neighbor_scan_max_chan_time;
+	uint32_t passive_max_channel_time;
 	uint32_t neighbor_scan_results_refresh_period;
 	uint32_t empty_scan_refresh_period;
 	uint8_t roam_bmiss_first_bcnt;