LU-3992 libcfs: Fix NUMA emulated mode

LU-3992 libcfs: Fix NUMA emulated mode

Kernel commit c1c3443c9c5e9be92641029ed229a41563e44506
assigns all allowed cpus to emulated node.

End cpt initialization loop when all CPUs are assigned.

Change-Id: I4cf22e4cf58cd8377cf19af30217fec72503be69
Signed-off-by: Andriy Skulysh <Andriy_Skulysh@xyratex.com>
Reviewed-on: http://review.whamcloud.com/7724
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Liang Zhen <liang.zhen@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>