staging: wilc1000: fix line over 80 char issue in handle_scan_done()

Fix 'line over 80 characters' issue found by checkpatch.pl script in
handle_scan_done().

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