[coreboot-gerrit] Change in coreboot[master]: mb/google/guybrush/var/dewatt: add specific SPD hex for dewatt

[Karthik Ramasubramanian (Code Review)]

Attention is currently required from: Robert Zieba, Chris Wang, Rob Barnes, Felix Held.
Karthik Ramasubramanian has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63132 )

Change subject: mb/google/guybrush/var/dewatt: add specific SPD hex for dewatt
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Patch Set 4:

(1 comment)

File src/mainboard/google/guybrush/variants/dewatt/memory/Makefile.inc:

https://review.coreboot.org/c/coreboot/+/63132/comment/ef5d6b10_6d2d12ff 
PS4, Line 16: SPD_SOURCES += $(src)/mainboard/$(MAINBOARDDIR)/variants/$(VARIANT_DIR)/memory/K4U6E3S4AB-MGCL.hex     # ID = 9(0b1001)  Parts = K4U6E3S4AB-MGCL
> +1. As is, this will get overwritten every time part_id_gen is run. We could modify  apcb_v3_edit. […]

Sigh this is needing more one-off. For parts that need exclusive IDs, we can support part specific SPDs through update to part_id_gen.