wifi: iwlwifi: mvm: update IGTK in mvmvif upon D3 resume

During the D3 resume flow, all new rekeys are passed from the FW.
Because the FW supports only one IGTK at a time, every IGTK rekey
update should be done by removing the last IGTK. The mvmvif holds a
pointer to the last IGTK for that reason and thus should be updated
when a new IGTK is passed upon resume.

Fixes: 04f78e24

 ("wifi: iwlwifi: mvm: Add support for IGTK in D3 resume flow")
Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231017115047.8ceaf7e5ece7.Ief444f6a2703ed76648b4d414f12bb4130bab36e@changeid


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