staging: wilc1000: wilc_wlan_handle_rxq: add new argument and use wilc

This patch adds new argument struct wilc and use it instead of g_linux_wlan.
Pass wilc to the function as well.

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