LU-2082 osp: print address of object in osp_object_create()

LU-2082 osp: print address of object in osp_object_create()

In osp_object_create() fix the debug and assert messages to print the
address of the OSP object under consideration rather than the address
of the function osp_obj().

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: I566e77c69ad486feac4a4d06a9af9e33f884d7e9
Reviewed-on: http://review.whamcloud.com/5903
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Mike Pershin <mike.pershin@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: wangdi <di.wang@intel.com>