wifi: iwlwifi: mvm: always send spec link ID in link commands

The firmware technically only needs this when the link is
newly added, but it's much easier for debugging if it's
always available, so include it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230614123446.daecd0e626f7.I0f8a16a6d80a283c9f947c9bb0fc50a7c6853948@changeid


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