Change in coreboot[master]: lib/spd_bin: add get_spd_sn function

[EricR Lai (Code Review)]

EricR Lai has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/40414 )

Change subject: lib/spd_bin: add get_spd_sn function
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Patch Set 3:

(1 comment)

https://review.coreboot.org/c/coreboot/+/40414/3/src/soc/intel/common/block/... 
File src/soc/intel/common/block/smbus/smbuslib.c:

https://review.coreboot.org/c/coreboot/+/40414/3/src/soc/intel/common/block/... 
PS3, Line 95: 	if (!dimm_preset(addr)) {
Please add add check for non-zero like #77. If addr is 0, smbus will return 0xff.