修改4g网络断开链接，重连机制

zhangbo

2025-08-22 27813980cd06b7e471c0d6dbf250f01de9f7d864

 keil/mk_4G.c

@@ -46,6 +46,7 @@
       save_com_map_to_flash();
       */
}

void gnss_forceopen(void)
{
    gps_air780_power_change(1, air780_power_state);