When using kernel images that are using ZBOOT for arm64 we need to extract the vmlinux from the vmlinuz EFI file and pass it on the the kexec call. Ref: https://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git/tree/kexec/kexec-pe-zboot.c Fixes: #8907 Signed-off-by: Noel Georgi <git@frezbo.dev>