LU-5149 utils: Create debug upcall to dump ldlm namespaces

LU-5149 utils: Create debug upcall to dump ldlm namespaces

Created a script to be used as the debug_log_upcall which will dump
ldlm namespace information in raw/binary format and append it to the
given debug log file.

Signed-off-by: Ryan Haasken <haasken@cray.com>
Change-Id: I69f08f1b9563024c962f0213fd47a95b33b7da23
Reviewed-on: http://review.whamcloud.com/10617
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Chris Horn <hornc@cray.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>