uboot-tools: update to v2025.07

uboot-tools: update to v2025.07

Update to the latest version.

Remove upstreamed patches:
  010-image-fit-sig-skip-in-tools-build-if-key-is-missing.patch[1]
  011-tools-fit_check_sign-make-key-optional.patch[2]
  012-tools-fit_check_sign-no-libcrypto.patch[2]

[1] https://github.com/u-boot/u-boot/commit/40dcd5088b7f64ee2841c233c8ab82ce9c188d73
[2] https://github.com/u-boot/u-boot/commit/9c79c8fe70da7cd05fa4c242197f14122f245d81

Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/19342
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>