staging: ks7010: fix some style issues about long lines

This commit just fixes some checkpatch reported issues about
lines longer than 80 characters.

A new blank line has been added also to improve readability.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>