drivers/net/usb/asix: fixed asix_get_wol reported wrong wol status issue

Fixed the asix_get_wol() routine reported wrong wol status issue.

Signed-off-by: Allan Chou <allan@asix.com.tw>
Tested-by: Eugene &lt;elubarsky@gmail.com&gt;; Allan Chou <allan@asix.com.tw>
Signed-off-by: David S. Miller <davem@davemloft.net>