staging: ks7010: change some cast type from uint16_t to u16 in hostif_data_request

There are some castings inside the function hostif_data_request
which are being using with uint16_t type. Fields which have being
assigned are declared as u16. So update casts types to u16 in all
of them.

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