text: Change text of prompt to set number of CPUs
text: Change text of prompt to set number of CPUs

Change-Id: I886ca28b22bb51a67a891d0ba38c34e5a1605fb2
Signed-off-by: Yedidyah Bar David <e7f2f616ce8817ad893bbeaad3e942e94c69d323@redhat.com>

oVirt/ovirt-hosted-engine-setup,oVirt/ovirt-hosted-engine-setup