Merge tag 'efi-2021-01-rc3-2' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi

Pull request for UEFI sub-system for efi-2021-01-rc3 (2)

The parameter check for UEFI service GetNextVariableName() is corrected.

The dependencies of CONFIG_DFU_TFTP are simplified.

The set of supported hash algorithms reported by the EFI_TCG2_PROTOCOL is
corrected.