[PATCH] PCI: add PCI Express AER register definitions to pci_regs.h

Add new defines of PCI-Express AER registers and their bits into file
include/linux/pci_regs.h.

Signed-off-by: Zhang Yanmin <yanmin.zhang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>