soutbridge/*/bootblock: Use pci_dev_t over device_t typedef

Change-Id: I693b09d588ed6d56177cf86c23497231623b69c0
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/7193
Tested-by: build bot (Jenkins)
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/southbridge/amd/agesa/hudson/bootblock.c

@@ -33,7 +33,7 @@
 static void hudson_enable_rom(void)
 {
 	u8 reg8;
-	device_t dev;
+	pci_devfn_t dev;
 
 	dev = PCI_DEV(0, 0x14, 3);