Merge tag 'efi-2026-07-rc5' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request efi-2026-07-rc5

CI: https://source.denx.de/u-boot/custodians/u-boot-efi/-/pipelines/30365

Documentation:

* Update urllib3 version for building
* usb: typos 'requird', 'current'

UEFI

* Improve PE-COFF relocation data validation

Devicetree-to-C generator:

* dtoc: test: add missing escape in help text