LU-7986 hsm: update actions llog in place

LU-7986 hsm: update actions llog in place

Update HSM actions llog entries in place rather than doing an append
and cancel.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: I5c5282d199e43fbc6709d5dc9bc050e0b98fb889
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Reviewed-on: http://review.whamcloud.com/19447
Tested-by: Jenkins
Reviewed-by: Frank Zago <fzago@cray.com>
Reviewed-by: jacques-Charles Lafoucriere <jacques-charles.lafoucriere@cea.fr>
Tested-by: Maloo <hpdd-maloo@intel.com>