soc/amd/cezanne/cpu: add basic zen_2_3_init functionality

The MCA MSRs aren't getting cleared and no microcode update gets applied
for now. Both will be added later.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I38ce5d11787ffefdd0183c5540ae2683158cbee8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50482
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/amd/cezanne/cpu.c

@@ -1,12 +1,16 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <amdblocks/cpu.h>
 #include <console/console.h>
 #include <cpu/cpu.h>
+#include <cpu/x86/lapic.h>
 #include <device/device.h>
 #include <soc/cpu.h>
 
 static void zen_2_3_init(struct device *dev)
 {
+	setup_lapic();
+	set_cstate_io_addr();
 }
 
 static struct device_operations cpu_dev_ops = {