Pull request for efi-2023-01-rc3
Documentation:
* describe DM firmware needed for j721e_evm
* describe management of UEFI security data base with eficonfig
UEFI:
* code clean-up for eficonfig command
* fix handling of DHCP aknowledge
* correct EFI memory type used for U-Boot code
* unit test for FatToStr() truncation
* add an EFI binary to print boot hart ID
Other:
* improve parameter checks in console functions
* fix variable initialization in blk_get_device_part_str