staging: wilc1000: remove line over 80 char warning in few functions

Remove 'line over 80 characters' issues found by checkpatch.pl script
for following functions.

disconnect()
del_pmksa()
wilc_create_wiphy()
del_pmksa()

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