staging: wilc1000: wilc_wlan_txq_add_net_pkt: add argument struct net_device

This patch add new argument struct net_device *dev and pass net_device to
wilc_wlan_txq_add_net_pkt.

Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>