0516c8bc ("PCI: PCIe portdrv: Simplily probe callback of service
drivers") removed the "id" argument of aer_probe() but neglected to remove
the kernel-doc comment.  Update the comment.

[bhelgaas: changelog]
Signed-off-by: NCao jin <caoj.fnst@cn.fujitsu.com>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>