selftests: kvm/s390x: use vm_create_barebones()

This function does the same but makes it clearer why one would use
the "____"-prefixed version of vm_create().

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2023-11-08 04:40:35 -05:00
commit ef5b6a542b