950462: do not expect numa cpu list to be an int

lscpu.numa_node0_cpu(s) is a range, expressing the
list of cpu's in a numa node. It should not be
in the list of facts expected to be ints.

This doesn't fix 950462, but it was discovered
in debugging it.
Merge pull request #228 from candlepin/alikins/numa_nodes_cpu

950462: do not expect numa cpu list to be an int