UEFI:
* Require at least 128 KiB of stack space to use EFI sub-system.
* Avoid buffer overrun in efi_var_restore().
* Avoid superfluous variable store writes on unchanged data
* Implement SPI Flash store for EFI variables.
* Add an efidebug ecpt sub-command to display the ECPT table
and a unit test for the command.
Others:
* Add missing include string.h to make exception command build again.
* lib: uuid: add EBBR 2.1 conformance profile GUID
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Merge tag 'efi-2026-03-14' of https://source.denx.de/u-boot/custodians/u-boot-efi into next
Pull request efi-2026-03-14
CI: https://source.denx.de/u-boot/custodians/u-boot-efi/-/pipelines/29512
UEFI:
* Require at least 128 KiB of stack space to use EFI sub-system.
* Avoid buffer overrun in efi_var_restore().
* Avoid superfluous variable store writes on unchanged data
* Implement SPI Flash store for EFI variables.
* Add an efidebug ecpt sub-command to display the ECPT table
and a unit test for the command.
Others:
* Add missing include string.h to make exception command build again.
* lib: uuid: add EBBR 2.1 conformance profile GUID
fa3a11fcf0