ieee802154/cc2520: Remove extra blank lines

CC: Varka Bhadram <varkabhadram@gmail.com>
Signed-off-by: Stefan Schmidt <s.schmidt@samsung.com>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/net/ieee802154/cc2520.c

@@ -513,7 +513,6 @@ err_tx:
 	return rc;
 }
 
-
 static int cc2520_rx(struct cc2520_private *priv)
 {
 	u8 len = 0, lqi = 0, bytes = 1;
@@ -947,7 +946,6 @@ static int cc2520_probe(struct spi_device *spi)
 	if (ret)
 		goto err_hw_init;
 
-
 	gpio_set_value(pdata->vreg, HIGH);
 	usleep_range(100, 150);