pci_regs: Fix value of PCI_EXP_TYPE_RC_EC.

Value check in PCI Express Base Specification rev 1.1
Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/pci_regs.h

@@ -393,7 +393,7 @@
 #define  PCI_EXP_TYPE_DOWNSTREAM 0x6	/* Downstream Port */
 #define  PCI_EXP_TYPE_PCI_BRIDGE 0x7	/* PCI/PCI-X Bridge */
 #define  PCI_EXP_TYPE_RC_END	0x9	/* Root Complex Integrated Endpoint */
-#define  PCI_EXP_TYPE_RC_EC	0x10	/* Root Complex Event Collector */
+#define  PCI_EXP_TYPE_RC_EC     0xa     /* Root Complex Event Collector */
 #define PCI_EXP_FLAGS_SLOT	0x0100	/* Slot implemented */
 #define PCI_EXP_FLAGS_IRQ	0x3e00	/* Interrupt message number */
 #define PCI_EXP_DEVCAP		4	/* Device capabilities */