rkwifi driver

```

/**************************************************************************

*

* Wifi Get Interrupt irq Func

*

*************************************************************************/

int rockchip_wifi_get_oob_irq(void)

{

    struct rfkill_wlan_data *mrfkill = g_rfkill;

    struct rksdmmc_gpio *wifi_int_irq;

    LOG("%s: Enter\n", __func__);

    if (mrfkill == NULL) {

        LOG("%s: rfkill-wlan driver has not Successful initialized\n", __func__);

        return -1;

    } 

    wifi_int_irq = &mrfkill->pdata->wifi_int_b;

    if (gpio_is_valid(wifi_int_irq->io)) {

        return gpio_to_irq(wifi_int_irq->io);

        //return wifi_int_irq->io;

    } else {

        LOG("%s: wifi OOB pin isn't defined.\n", __func__);

    } 

    return -1;

}

```