Together with the series at https://patchew.org/QEMU/20240423131612.28362-1-pbonzini@redhat.com/,
this allows adding sparc-softmmu to the target list of the
build-without-defaults CI job.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>