staging: wilc1000: remove warnings line over 80 characters

This patch removes the warnings reported by checkpatch.pl
for line over 80 characters.

Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>