[S] Change in coreboot[main]: payloads/iPXE: add TRUST_CMD switch

[Felix Singer (Code Review)]

Attention is currently required from: Filip Lewiński, Maciej Pijanowski, Martin L Roth, Stefan Reinauer.

Felix Singer has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/79684?usp=email )

Change subject: payloads/iPXE: add TRUST_CMD switch
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Patch Set 7:

(2 comments)

File payloads/external/iPXE/Kconfig:

https://review.coreboot.org/c/coreboot/+/79684/comment/d236d06b_98f201ad :
PS5, Line 112: config PXE_CUSTOM_BUILD_ID
> Yess, fixed [here](https://review.coreboot.org/c/coreboot/+/79684/5.. […]

Done

File payloads/external/iPXE/Kconfig:

https://review.coreboot.org/c/coreboot/+/79684/comment/2e0091aa_fd5859c2 :
PS7, Line 114: 	depends on BUILD_IPXE
not needed, remove. it's already guarded by if.