[XL] Change in coreboot[main]: payloads: Add uefistub payload

[Simon Glass (Code Review)]

Attention is currently required from: Alper Nebi Yasak, Arthur Heymans, Benjamin Doron, CoolStar, David Hendricks, David Milosevic, Jan Samek, Lean Sheng Tan, Martin L Roth, Maximilian Brune, Patrick Rudolph, Paul Menzel.

Simon Glass has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/78913?usp=email )

Change subject: payloads: Add uefistub payload
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Patch Set 5:

(1 comment)

Patchset:

PS4:
> > This is not integrating 'a payload'. It is hacking out chunks of U-Boot code into a new project. […]

BTW the option to enable capsule updates is CONFIG_EFI_CAPSULE_ON_DISK - there are options to remove other features also.