cpu/amd: Get rid of device_t

Use of `device_t` has been abandoned in ramstage.

Change-Id: I4b930a191130941c8349861cdd803a5be4219274
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/23653
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/cpu/amd/pi/00630F01/model_15_init.c

@@ -31,7 +31,7 @@
 #include <cpu/amd/amdfam15.h>
 #include <arch/acpi.h>
 
-static void model_15_init(device_t dev)
+static void model_15_init(struct device *dev)
 {
 	printk(BIOS_DEBUG, "Model 15 Init.\n");
 

src/cpu/amd/pi/00660F01/model_15_init.c

@@ -47,7 +47,7 @@ void PSPProgBar3Msr(void *Buffer)
 	LibAmdMsrRead(0xC00110A2, &Tmp64, NULL);
 }
 
-static void model_15_init(device_t dev)
+static void model_15_init(struct device *dev)
 {
 	printk(BIOS_DEBUG, "Model 15 Init.\n");
 

src/cpu/amd/pi/00730F01/model_16_init.c

@@ -30,7 +30,7 @@
 #include <cpu/amd/amdfam16.h>
 #include <arch/acpi.h>
 
-static void model_16_init(device_t dev)
+static void model_16_init(struct device *dev)
 {
 	printk(BIOS_DEBUG, "Model 16 Init.\n");