Merge tag 'efi-2026-01-rc1-2' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request efi-2026-01-rc1-2

CI:

* https://source.denx.de/u-boot/custodians/u-boot-efi/-/pipelines/28024

Documentation:

* develop: virtio: Fix qemu example (true/false -> on/off)
* separate read and write command documentation
* usage: Add general rule for `$?`
* askenv: Reword and remove return value
* seama: Reword return value section
* usage: Use glob for all commands
* Fix typos and formatting

UEFI:

* console: support editable input fields