[EXTERNAL] [RFC v3 2/3] test/lcore: enable tests for topology

[Varghese, Vipin]

Snipped
> > ---
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> 
> Test fails on ARM platform:
> 
> 
> lcore 19, socket 0, role RTE, cpuset 19
> Control thread running successfully
> INFO: lcore count topology: none (12), io (1), l3 (1), l2 (1), l1 (1).
> INFO: worker lcore count topology: none (11), io (1), l3 (1), l2 (1), l1 (1).
> INFO: lcore DOMAIN macro: success!
> INFO: lcore count: none (12), io (0), l3 (0), l2 (0), l1 (0).
> ERR: failed in domain API
> Test Failed
> 
Thank you Pavan, for helping me on this. Sharing the fix in v4