Merge tag 'efi-2022-10-rc1' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request for efi-2022-10-rc1

Documentation:

* rework the mkimage.1 man-page
* add a statistics page for v2022.07
* update environment description

UEFI:

* add Ilias Apalodimas as co-maintainer
* fix a memory leak in efi_set_bootdev()
* suppress a build warning