arch/arm64: Implement initial set of SMBIOS tables

Implement the two architectural tables: processor and cache.

Note that SoC/board code should override core-thread count
and, for spec-compliance, create CBMEM_ID_MEMINFO.

Change-Id: Iedae0f26f168bd6d3af866e35d9d39ddb01abc15
Signed-off-by: Benjamin Doron <benjamin.doron@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78285
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
diff --git a/src/Kconfig b/src/Kconfig
index 645d16c..1ec7552 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -918,8 +918,9 @@
 	  If unsure, say Y.
 
 config GENERATE_SMBIOS_TABLES
-	depends on ARCH_X86
+	depends on ARCH_X86 || ARCH_ARM64
 	bool "Generate SMBIOS tables"
+	default n if ARCH_ARM64
 	default y
 	help
 	  Generate SMBIOS tables for this board.