src/{sb/intel,mb/google/auron}: Don't use device_t

Use of device_t is deprecated.

Change-Id: I564319506870f75eab58cce535d4e3535a64a993
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/28642
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/southbridge/intel/lynxpoint/serialio.c

@@ -237,8 +237,8 @@ static void serialio_init(struct device *dev)
 	}
 }
 
-static void serialio_set_subsystem(device_t dev, unsigned vendor,
-				   unsigned device)
+static void serialio_set_subsystem(struct device *dev, unsigned int vendor,
+				   unsigned int device)
 {
 	if (!vendor || !device) {
 		pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,