Merge tag 'efi-2022-07-rc4-3' of https://source.denx.de/u-boot/custodians/u-boot-efi

Merge tag 'efi-2022-07-rc4-3' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request for efi-2022-07-rc4-3

UEFI:

* fix a problem in loading an image from a short-path
* fix building the bootmenu command for CONFIG_EFI_LOADER=n
* correct the bootefi command syntax
* add firmware management protocol to the documentation

Others:

* bootmenu: fix bootmenu title handling

Tested-by: Pali Rohár <pali@kernel.org> [n900, for bootmenu working as before]