soc/intel/xeon_sp: Move SMBIOS type 4 override functions from mainboard
to soc

Move SMBIOS type 4 override functions from mainboard to soc so that all
xeon family cpus share same functions without implementing again.

Tested=On OCP Deltalake, dmidecode -t 4 shows expected info.

Signed-off-by: JingleHsuWiwynn <jingle_hsu@wiwynn.com>
Change-Id: I17df8de67bc2f5e89ea04da36efb2480a7e73174
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69363
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
diff --git a/src/mainboard/ocp/deltalake/ramstage.c b/src/mainboard/ocp/deltalake/ramstage.c
index fb81e10..0fca920 100644
--- a/src/mainboard/ocp/deltalake/ramstage.c
+++ b/src/mainboard/ocp/deltalake/ramstage.c
@@ -327,17 +327,6 @@
 	t->bank_locator = smbios_add_string(t->eos, buf);
 }
 
-unsigned int smbios_processor_family(struct cpuid_result res)
-{
-	return 0xb3; /* Xeon */
-}
-
-unsigned int smbios_processor_characteristics(void)
-{
-	/* 64-bit Capable, Multi-Core, Power/Performance Control */
-	return 0x8c; /* BIT2 | BIT3 | BIT7 */
-}
-
 static void mainboard_enable(struct device *dev)
 {
 	dev->ops->get_smbios_strings = dl_oem_smbios_strings;
diff --git a/src/soc/intel/xeon_sp/ramstage.c b/src/soc/intel/xeon_sp/ramstage.c
index 68d5d46..9882660 100644
--- a/src/soc/intel/xeon_sp/ramstage.c
+++ b/src/soc/intel/xeon_sp/ramstage.c
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <cpu/cpu.h>
 #include <smbios.h>
 
 unsigned int smbios_cache_error_correction_type(u8 level)
@@ -24,3 +25,13 @@
 		return SMBIOS_CACHE_OP_MODE_UNKNOWN;
 	}
 }
+
+unsigned int smbios_processor_family(struct cpuid_result res)
+{
+	return SMBIOS_PROCESSOR_FAMILY_XEON;
+}
+
+unsigned int smbios_processor_characteristics(void)
+{
+	return PROCESSOR_64BIT_CAPABLE|PROCESSOR_MULTI_CORE|PROCESSOR_POWER_PERFORMANCE_CONTROL;
+}