Merge tag 'efi-2022-07-rc3-2' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request for efi-2022-07-rc3-2

UEFI:
* Fix build errors due to
  - using sed with non-standard extension for regular expression
  - target architecture not recognized for CROSS_COMPILE=armv7a-*
  - CONFIG_EVENT not selected
* add sha384/512 on certificate revocation

Others:
* factor out the user input handling in bootmenu command