[S] Change in coreboot[master]: util/spd_tools: Change Mendocino to use 0x13 for LP5x memory type

[Matt DeVillier (Code Review)]

Attention is currently required from: Robert Zieba, Reka Norman, Martin Roth, Karthik Ramasubramanian.

Matt DeVillier has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/67747 )

Change subject: util/spd_tools: Change Mendocino to use 0x13 for LP5x memory type
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Patch Set 4:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/67747/comment/85329d77_30188287 
PS4, Line 9: but currently doesn't support SPDs that use the
           : LP5x memory type, 0x15
> what exactly doesn't support type 0x15 (and why don't we fix it there)?

ok, read the bug tracker, perhaps just add a note that this is a temp workaround until the ABL is updated to support lpddr5x?