cc2520: update current channel

This patch updates the current channel to 11. This is the default
value on reset.

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/net/ieee802154/cc2520.c

@@ -762,6 +762,8 @@ static int cc2520_register(struct cc2520_private *priv)
 		priv->hw->phy->transmit_power = priv->hw->phy->supported.tx_powers[0];
 	}
 
+	priv->hw->phy->current_channel = 11;
+
 	dev_vdbg(&priv->spi->dev, "registered cc2520\n");
 	ret = ieee802154_register_hw(priv->hw);
 	if (ret)