Merge tag 'efi-2024-04-rc5-2' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request efi-2024-04-rc5-2

Documentation:

* patman: Properly document the patchwork_url setting
* doc: man-page for if
* colibri-imx8x, apalis-imx8: update board documentation

UEFI:

* correct handling of EFI binary return code
* don't show usage help if EFI binary fails.
* correct error handling for bootefi selftest command