tests: numa: test one backend with prealloc enabled

Cannibalize one backend in the HMAT test to make sure that
prealloc=y is tested.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200325094423.24293-3-imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed