Merge tag 'efi-2026-07-rc2-2' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request efi-2026-07-rc2-2

CI: https://source.denx.de/u-boot/custodians/u-boot-efi/-/pipelines/29993

UEFI:

* initialize variables in efi_dp_from_http()
* cmd: eficonfig: adjust struct eficonfig_entry, field key
* efi_dt_fixup: use fdtdec_get_bool() for reading boolean no-map property
* efi_selftest_memory: check for duplicates first
* simplify efi_mem_sort() using list_for_each_entry_safe

Others:

* lmb: document allocation flags constants