PCI: disable ASPM on pre-1.1 PCIe devices

Disable ASPM on pre-1.1 PCIe devices, as many of them don't implement it
correctly.

Tested-by: Jack Howarth <howarth@bromo.msbb.uc.edu>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index 19958b9..450684f 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -374,6 +374,7 @@
 #define  PCI_EXP_DEVCAP_ATN_BUT	0x1000	/* Attention Button Present */
 #define  PCI_EXP_DEVCAP_ATN_IND	0x2000	/* Attention Indicator Present */
 #define  PCI_EXP_DEVCAP_PWR_IND	0x4000	/* Power Indicator Present */
+#define  PCI_EXP_DEVCAP_RBER	0x8000	/* Role-Based Error Reporting */
 #define  PCI_EXP_DEVCAP_PWR_VAL	0x3fc0000 /* Slot Power Limit Value */
 #define  PCI_EXP_DEVCAP_PWR_SCL	0xc000000 /* Slot Power Limit Scale */
 #define PCI_EXP_DEVCTL		8	/* Device Control */