DTMESH-646 [DT][OneWifi] DFS event updates

Reason for change: Enable DFS flag for DT platform

Test Procedure: DFS channels should be populated in radio
state table once booted up

Risks: Low

Priority: P1

Signed-off-by: Magesh Renganathan <[email protected]>

Author: MageshRenganathan

source/db/wifi_db_apis.c

@@ -6862,7 +6862,7 @@ int wifidb_init_radio_config_default(int radio_index,wifi_radio_operationParam_t
             else
                 cfg.channel = 44;
             cfg.channelWidth = WIFI_CHANNELBANDWIDTH_80MHZ;
-#if defined (_PP203X_PRODUCT_REQ_)
+#if defined (_PP203X_PRODUCT_REQ_) || defined (_GREXT02ACTS_PRODUCT_REQ_)
             cfg.variant = WIFI_80211_VARIANT_A | WIFI_80211_VARIANT_N | WIFI_80211_VARIANT_AC;
             cfg.DfsEnabled = true;
 #else