staging: wilc1000: wilc_wlan_txq_remove_from_head: add new argument dev

Add new argument dev and use it instead of g_linux_wlan, and pass argument
dev to the function as well.

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