Merge tag 'efi-2022-01-rc4-2' of https://source.denx.de/u-boot/custodians/u-boot-efi

Merge tag 'efi-2022-01-rc4-2' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request efi-2022-01-rc4-2

UEFI:

* correctly handle missing TPM device
* prepare for block devices for U-Boot as EFI app

# gpg: Signature made Fri 10 Dec 2021 04:29:20 AM EST
# gpg:                using RSA key 6DC4F9C71F29A6FA06B76D33C481DBBC2C051AC4
# gpg: Good signature from "Heinrich Schuchardt <xypron.glpk@gmx.de>" [unknown]
# gpg:                 aka "[jpeg image of size 1389]" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6DC4 F9C7 1F29 A6FA 06B7  6D33 C481 DBBC 2C05 1AC4