LU-5050 libcfs: default CPT matches NUMA topology

LU-5050 libcfs: default CPT matches NUMA topology

Change default value of CPT pattern and make it match NUMA topology

Signed-off-by: Liang Zhen <liang.zhen@intel.com>
Change-Id: Ia837ee4b1c52046fcac4a5c05d1c159001fbe810
Reviewed-on: http://review.whamcloud.com/17824
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>