PCI: Add support for AGP in cur/max bus speed

Take advantage of some gaps in the table to fit in support for AGP speeds.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/include/linux/pci.h b/include/linux/pci.h
index a446097..842adaa 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -200,6 +200,11 @@
 	PCI_SPEED_66MHz_PCIX_266	= 0x09,
 	PCI_SPEED_100MHz_PCIX_266	= 0x0a,
 	PCI_SPEED_133MHz_PCIX_266	= 0x0b,
+	AGP_UNKNOWN			= 0x0c,
+	AGP_1X				= 0x0d,
+	AGP_2X				= 0x0e,
+	AGP_4X				= 0x0f,
+	AGP_8X				= 0x10,
 	PCI_SPEED_66MHz_PCIX_533	= 0x11,
 	PCI_SPEED_100MHz_PCIX_533	= 0x12,
 	PCI_SPEED_133MHz_PCIX_533	= 0x13,