platform/x86/intel: tpmi: Revise the comment of intel_vsec_add_aux

intel_vsec_add_aux() is resource managed including res and
feature_vsec_dev memory.

Fix this by revising the comment of intel_vsec_add_aux since res variable
will also be freed in the intel_vsec_add_aux.

Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn>
Link: https://lore.kernel.org/r/20230309040107.534716-3-dzm91@hust.edu.cn
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>