BFLSC latest firmware has its own thermal cutoff set to 90, so use the same value in case we have an old firmware that isn't throttling by itself.

driver-bflsc.c

@@ -730,7 +730,7 @@ static void __bflsc_initialise(struct cgpu_info *bflsc)
 		bflsc->drv->name, bflsc->device_id, err);
 
 	if (!bflsc->cutofftemp)
-		bflsc->cutofftemp = 80;
+		bflsc->cutofftemp = 90;
 }
 
 static void bflsc_initialise(struct cgpu_info *bflsc)