staging: ks7010: change type for rsn_enabled in wpa_status struct

Field rsn_enabled included in wpa_status struct is declared as
unsigned int but it is only be set using 0 and 1 values and
in conditional if code is just being used as a boolean. Change
its type to be a boolean.

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