wifi: iwlwifi: mvm: report 64-bit radiotap timestamp

Use the new RX_FLAG_MACTIME_IS_RTAP_TS64 in mac80211 to report
a 64-bit timestamp in the mactime for radiotap only, in case we
report the synchronized PTP clock timestamp (otherwise we really
only have 32 bits anyway).

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240527190228.4fc44356e7df.Ic8642d35f1090a415e09299a1bd409f51dfb6351@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>