tests: test-smp-parse: Add the test for cores/threads per socket helpers

tests: test-smp-parse: Add the test for cores/threads per socket helpers

Use the different ways to calculate cores/threads per socket, so that
the new CPU topology levels won't be missed in these 2 helpes:

* machine_topo_get_cores_per_socket()
* machine_topo_get_threads_per_socket()

Test the commit a1d027be95bc3 ("machine: Add helpers to get cores/
threads per socket").

Suggested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20231023094635.1588282-2-zhao1.liu@linux.intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>