wifi: iwlwifi: mvm: fix primary link setting

mvmvif::primary link holds the ID and not a bitmap. Fix this

Fixes: 07bf5297

 ("wifi: iwlwifi: mvm: Implement new link selection algorithm")
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://msgid.link/20240506095953.779bf6949053.Ia9297991ff2fdc82ae7c730e0069e2dd6e5f2902@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>