pc: fix auto_enable_numa_with_memhp/auto_enable_numa_with_memdev for the 5.0 machine

pc: fix auto_enable_numa_with_memhp/auto_enable_numa_with_memdev for the 5.0 machine

Unfortunately, a typo sneeked in: we want to set
auto_enable_numa_with_memdev to false, not auto_enable_numa_with_memhp.

Cc: qemu-stable@nongnu.org # v5.1
Fixes: 195784a0cfad (numa: Auto-enable NUMA when any memory devices are possible)
Reported-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200820094828.30348-1-david@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>