src: Get rid of device_t

Use of device_t is deprecated.

Change-Id: I6adc0429ae9ecc8f726d6167a6458d9333dc515f
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/27036
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/southbridge/intel/lynxpoint/smihandler.c b/src/southbridge/intel/lynxpoint/smihandler.c
index dcec3f0..5cdd99d 100644
--- a/src/southbridge/intel/lynxpoint/smihandler.c
+++ b/src/southbridge/intel/lynxpoint/smihandler.c
@@ -75,7 +75,7 @@
 	for (slot = 0; slot < 0x20; slot++) {
 		for (func = 0; func < 8; func++) {
 			u32 reg32;
-			device_t dev = PCI_DEV(bus, slot, func);
+			pci_devfn_t dev = PCI_DEV(bus, slot, func);
 
 			val = pci_read_config32(dev, PCI_VENDOR_ID);