staging: ks7010: use the same parameter for 'event' in hostif_sme_enqueue

Declaration of second parameter 'event' in ks_hostif .h and .c
file is different using uint16_t and unsigned short respectively.
Just unify both using 'u16' which is preferred instead.

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