LU-5556 target: limit bulk transfer time

LU-5556 target: limit bulk transfer time

Messages lost during bulk transfer are not resent, so there is no
point in waiting for a very long time (up to at_max/600s has been
seen). This patch adds a new static timeout for the bulk transfer
(100s by default).

Signed-off-by: Johann Lombardi <johann.lombardi@intel.com>
Change-Id: I3926a7a8f2bce4cbd00b8fe54094a8e9cbec1508
Reviewed-on: http://review.whamcloud.com/11717
Tested-by: Jenkins
Reviewed-by: Liang Zhen <liang.zhen@intel.com>
Reviewed-by: Li Wei <wei.g.li@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Mike Pershin <mike.pershin@intel.com>
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>