LU-7276 utils: make llog_reader consistent with kernel

LU-7276 utils: make llog_reader consistent with kernel

Handle the CM_SKIP records in the same manner as the kernel,
by printing "SKIP" only until the first CM_END record, rather
until the first CM_END|CM_SKIP record.

Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Change-Id: Ie0c35ecd9d74a1e0b378bcf6642bca32e4dfa35e
Reviewed-on: http://review.whamcloud.com/16788
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Frank Zago <fzago@cray.com>
Reviewed-by: Olaf Faaland-LLNL <faaland1@llnl.gov>
Reviewed-by: Mike Pershin <mike.pershin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>