Merge tag 'efi-2020-07-rc3-2' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi

Pull request for UEFI sub-system for efi-2020-07-rc3 (2)

Problems fixed with these patches are:

* UEFI sub-system not working with virtio block devices
* Missing SATA support in UEFI sub-system
* A superfluous debug statement