staging: ks7010: ks_wlan_net: Use netdev_info instead of printk

Pass the net_device structure to print_hif_event function
in order to use netdev_info instead of printk.

Signed-off-by: Georgiana Rodica Chelu <georgiana.chelu93@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>