[M] Change in coreboot[master]: drivers/intel/fsp2_0/memory_init: Inform user of memory training

[Arthur Heymans (Code Review)]

Attention is currently required from: Bora Guvendik, Zhixing Ma, Hannah Williams, Cliff Huang, Nico Huber, Michał Żygowski, Subrata Banik, Jérémy Compostella, Paul Menzel, Nick Vaccaro, Andrey Petrov.

Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/70300 )

Change subject: drivers/intel/fsp2_0/memory_init: Inform user of memory training
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Patch Set 21:

(1 comment)

File src/drivers/intel/fsp2_0/memory_init.c:

https://review.coreboot.org/c/coreboot/+/70300/comment/ee2cb3db_c87dba08 
PS21, Line 283: if (!arch_upd->NvsBufferPtr)
I don't think this is a good proxy for whether FSP does memory training. For instance on some server platforms (with SPS ME) memory training will happen on each boot regardless of this pointer being non zero.