pci: Fix PCI_DEVICE_ID()

The vendor ID is 16 bits not 8. This error leaves the top of the vendor
ID in the bottom bits of the device ID, which resulted in e.g. a failure
to run the PCI quirk for the AST VGA device.

Fixes: 2b841bf ("core/pci: Use cached vendor/device IDs in quirks")
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
(cherry picked from commit 50dfd06)
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>

include/pci.h

@@ -76,7 +76,7 @@ struct pci_device {
 	uint32_t		vdid;
 	uint32_t		sub_vdid;
 #define PCI_VENDOR_ID(x)	((x) & 0xFFFF)
-#define PCI_DEVICE_ID(x)	((x) >> 8)
+#define PCI_DEVICE_ID(x)	((x) >> 16)
 	uint32_t		class;
 	uint64_t		cap_list;
 	struct {