mb/google/octopus: save dimm info as SMBIOS Table-17

Save FSP provided memory HOB info as SMBIOS Table-17 format.
Firmware tools such as mosys, dmidecode uses SMBIOS Table-17 to
report memory metadata.

BUG=b:78651920
TEST=Build for Octopus and check 'dmidecode -t17' and
'mosys memory spd print all' to verify dimm info.

Change-Id: I9b032b766a2927725b2378f7f720644d4459f602
Signed-off-by: Ravi Sarawadi <ravishankar.sarawadi@intel.com>
Reviewed-on: https://review.coreboot.org/25881
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/mainboard/google/octopus/romstage.c

@@ -26,4 +26,5 @@ void mainboard_memory_init_params(FSPM_UPD *memupd)
 
 void mainboard_save_dimm_info(void)
 {
+	save_lpddr4_dimm_info(variant_lpddr4_config(), variant_memory_sku());
 }