staging: ks7010: remove max_event_count field which is only being used in debug

This patch removes max_event_count field of sme_info structure which is a
write only variable just being used for debug purposes.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>