staging: wilc1000: avoid line over 80 chars in wilc_parse_network_info()

Use shorter name for 'network_info' variable to avoid line over 80 chars
issue.

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