mt76x0: pci: add mt76x0e_{start/stop} callbacks

static int mt76x0e_start(struct ieee80211_hw *hw)

{

	struct mt76x0_dev *dev = hw->priv;

	mutex_lock(&dev->mt76.mutex);

	mt76x02_mac_start(&dev->mt76);

	ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mac_work,

				     MT_CALIBRATE_INTERVAL);

	ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work,

				     MT_CALIBRATE_INTERVAL);

	set_bit(MT76_STATE_RUNNING, &dev->mt76.state);

	mutex_unlock(&dev->mt76.mutex);

	return 0;

}

static void mt76x0e_stop(struct ieee80211_hw *hw)

{

	struct mt76x0_dev *dev = hw->priv;

	mutex_lock(&dev->mt76.mutex);

	clear_bit(MT76_STATE_RUNNING, &dev->mt76.state);

	cancel_delayed_work_sync(&dev->cal_work);

	cancel_delayed_work_sync(&dev->mac_work);

	if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_BUSY,

		       0, 1000))

		dev_warn(dev->mt76.dev, "TX DMA did not stop\n");

	mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_EN);

	mt76x0_mac_stop(dev);

	if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_RX_DMA_BUSY,

		       0, 1000))

		dev_warn(dev->mt76.dev, "TX DMA did not stop\n");

	mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_RX_DMA_EN);

	mutex_unlock(&dev->mt76.mutex);

}

static const struct ieee80211_ops mt76x0e_ops = {