nb/intel/i440: Get rid of device_t

Use of `device_t` has been abandoned in ramstage.

Change-Id: Ibd01659f518b7a2b1aaf334fe5b16cfb936b68b7
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/23672
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/northbridge/intel/i440bx/northbridge.c b/src/northbridge/intel/i440bx/northbridge.c
index 8e5aa11..1245be6 100644
--- a/src/northbridge/intel/i440bx/northbridge.c
+++ b/src/northbridge/intel/i440bx/northbridge.c
@@ -12,7 +12,7 @@
 #include "northbridge.h"
 #include "i440bx.h"
 
-static void northbridge_init(device_t dev)
+static void northbridge_init(struct device *dev)
 {
 	printk(BIOS_SPEW, "Northbridge Init\n");
 }
@@ -32,7 +32,7 @@
 	.device = 0x7190,
 };
 
-static void i440bx_domain_set_resources(device_t dev)
+static void i440bx_domain_set_resources(struct device *dev)
 {
 	device_t mc_dev;
 	uint32_t pci_tolm;
@@ -82,7 +82,7 @@
 	.ops_pci_bus		= pci_bus_default_ops,
 };
 
-static void cpu_bus_init(device_t dev)
+static void cpu_bus_init(struct device *dev)
 {
 	initialize_cpus(dev->link_list);
 }