wifi: iwlwifi: mvm: Make iwl_mvm_diversity_iter() MLO aware

This function is MLO related, so it should iterate over all the links,
and not only on deflink.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230524203151.56a9c709e987.I9716195ec288cce2c929338c254ee9add8cfcc1f@changeid


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