nl80211: add FILS related parameters to ROAM event

In case of FILS shared key offload the parameters can change
upon roaming of which user-space needs to be notified.

Reviewed-by: Jithu Jance <jithu.jance@broadcom.com>
Reviewed-by: Eylon Pedinovsky <eylon.pedinovsky@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>