arch/x86/smbios: Add Number Of Power Cords field to be overriden

For SMBIOS type 3, add function to override number of power cords

Tested=Exectute dmidecode -t 3 to verify.

Signed-off-by: JingleHsuWiwynn <jingle_hsu@wiwynn.com>
Change-Id: I7dee3a944a49ffcfdc2f4408d92a17aa39761bb0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50015
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/arch/x86/smbios.c

@@ -609,6 +609,7 @@ static int smbios_write_type3(unsigned long *current, int handle)
 	t->thermal_state = SMBIOS_STATE_SAFE;
 	t->_type = smbios_mainboard_enclosure_type();
 	t->security_status = SMBIOS_STATE_SAFE;
+	t->number_of_power_cords = smbios_chassis_power_cords();
 	t->asset_tag_number = smbios_add_string(t->eos, smbios_mainboard_asset_tag());
 	t->version = smbios_add_string(t->eos, smbios_chassis_version());
 	t->serial_number = smbios_add_string(t->eos, smbios_chassis_serial_number());

src/arch/x86/smbios_defaults.c

@@ -143,3 +143,8 @@ __weak const char *smbios_processor_serial_number(void)
 {
 	return "";
 }
+
+__weak u8 smbios_chassis_power_cords(void)
+{
+	return 1;
+}

src/include/smbios.h

@@ -54,6 +54,7 @@ const char *smbios_mainboard_location_in_chassis(void);
 const char *smbios_chassis_version(void);
 const char *smbios_chassis_serial_number(void);
 const char *smbios_processor_serial_number(void);
+u8 smbios_chassis_power_cords(void);
 
 /* This string could be filled late in payload. */
 void smbios_type0_bios_version(uintptr_t address);