wifi: iwlwifi: mvm: use the link sta address

Replace the deflink.addr with the proper link address
for setting the peer_link_address in the station command.
For a non-MLD station, it will be the deflink.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230329100039.03ab287da0ae.I88fb5ab4e3ea9c886a3fac7ce09c4791469c3c8e@changeid


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