Merge tag 'efi-2024-01-rc4' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request efi-2024-01-rc4

Documentation

* Add HiSilicon board documentation to HTML docs
* Fix building with Sphinx 6.0

UEFI

* Increase default variable store size to 128K
* Check return value of efi_append_scrtm version
* Create shortened boot options in eficonfig command

Other

* Avoid incorrect error message in mkimage