Updates the subhook submodule to point to a edk2 mirror repo.
Fixes recursive cloning of the edk2 submodule.
Cc: Peter Maydell <peter.maydell@linaro.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2660
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20241111100701.2620020-1-kraxel@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>