Change in coreboot[master]: mb/google/puff: add a region to cache SPD data

[EricR Lai (Code Review)]

EricR Lai has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/40415 )

Change subject: mb/google/puff: add a region to cache SPD data
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Patch Set 5:

(1 comment)

https://review.coreboot.org/c/coreboot/+/40415/5/src/mainboard/google/hatch/... 
File src/mainboard/google/hatch/romstage_spd_smbus.c:

https://review.coreboot.org/c/coreboot/+/40415/5/src/mainboard/google/hatch/... 
PS5, Line 47: 		if (need_update_cache)
If dimm_changed, we need update cache anyway, right? Any condition will be dimm_changed but doesn't need update cache?