arch/x86/smbios: Update SMBIOS type 16 error correction type

Add weak function for SMBIOS type 16 error correction type.

Tested=Execute "dmidecode -t 16" to check if error correction type
is correct.

Signed-off-by: Tim Chu <Tim.Chu@quantatw.com>
Change-Id: I85b37e9cfd22a78544d03e5506ff92b1f2404f8e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47508
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/include/smbios.h

@@ -57,6 +57,7 @@ const char *smbios_processor_serial_number(void);
 
 void smbios_ec_revision(uint8_t *ec_major_revision, uint8_t *ec_minor_revision);
 
+unsigned int smbios_memory_error_correction_type(struct memory_info *meminfo);
 unsigned int smbios_processor_external_clock(void);
 unsigned int smbios_processor_characteristics(void);
 struct cpuid_result;