soc/amd/cezanne: Enable uCode update

TEST=Boot majolica and see microcode update
CBFS: Found 'cpu_microcode_blob.bin' @0x6900 size 0x15c0 in mcache @0xcf7fe9d8
microcode: patch id to apply = 0x0a50000b
microcode: being updated to patch id = 0x0a50000b succeeded

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: If50b1d8b3ebf4b3e6f8a9dd3ab96073e0cb92424
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50616
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/soc/amd/cezanne/cpu.c b/src/soc/amd/cezanne/cpu.c
index b199d99..2ec41a5 100644
--- a/src/soc/amd/cezanne/cpu.c
+++ b/src/soc/amd/cezanne/cpu.c
@@ -2,6 +2,7 @@
 
 #include <amdblocks/cpu.h>
 #include <console/console.h>
+#include <cpu/amd/microcode.h>
 #include <cpu/cpu.h>
 #include <cpu/x86/lapic.h>
 #include <device/device.h>
@@ -15,6 +16,8 @@
 {
 	setup_lapic();
 	set_cstate_io_addr();
+
+	amd_update_microcode_from_cbfs();
 }
 
 static struct device_operations cpu_dev_ops = {