staging: wilc1000: fix line over 80 chars in host_int_parse_assoc_resp_info()

Fix line over 80 characters issue in host_int_parse_assoc_resp_info() by
using shorter name for the local variable.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>