Merge tag 'efi-2022-01-rc1-2' of https://source.denx.de/u-boot/custodians/u-boot-efi

Merge tag 'efi-2022-01-rc1-2' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request for efi-2022-01-rc1-2

doc:
	Remove obsolete PPC4XX references

UEFI:
	Implement missing TCG2 measurements
	Code clean up

# gpg: Signature made Tue 26 Oct 2021 05:56:47 PM EDT
# gpg:                using RSA key 6DC4F9C71F29A6FA06B76D33C481DBBC2C051AC4
# gpg: Good signature from "Heinrich Schuchardt <xypron.glpk@gmx.de>" [unknown]
# gpg:                 aka "[jpeg image of size 1389]" [unknown]
# Primary key fingerprint: 6DC4 F9C7 1F29 A6FA 06B7  6D33 C481 DBBC 2C05 1AC4