staging: ks7010: use u16 instead of unsigned short in hostif_data_indication

Local variable 'auth_type' is declared as unsigned short in
hostif_data_indication function. Its value is got calling get_word
which returns an 'u16' so change its type to u16 which is preferred.

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