wifi: iwlwifi: mvm: make iwl_mvm_set_fw_mu_edca_params mld aware

We need to work on the right link there.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230620125813.8762a90e8857.Ic5b8e96140a449fd1ed7008907d67fc36fe98506@changeid


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