[S] Change in coreboot[main]: payloads/depthcharge: Add default 64-bit libpayload config

[Wonkyu Kim (Code Review)]

Attention is currently required from: Anil Kumar K, Bora Guvendik, Cliff Huang, Martin L Roth, Paul Menzel.

Wonkyu Kim has posted comments on this change by Cliff Huang. ( https://review.coreboot.org/c/coreboot/+/84107?usp=email )

The change is no longer submittable: All-Comments-Resolved is unsatisfied now.

Change subject: payloads/depthcharge: Add default 64-bit libpayload config
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Patch Set 6:

(1 comment)

File payloads/libpayload/configs/defconfig_64:

https://review.coreboot.org/c/coreboot/+/84107/comment/e659e816_35e988f7?usp... :
PS6, Line 1: CONFIG_LP_CHROMEOS=y
Do we need this config?
defconfig does not have this.
I think we need to just add "CONFIG_LP_ARCH_X86_64=y" on top of existing defconfig.