LU-10514 utils: statically link l_getidentity with libcfs.a

LU-10514 utils: statically link l_getidentity with libcfs.a

l_getidentity runs in a restricted environment which is not compatible
with the libtool wrapper script so statically link it with libcfs.a.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: I4d3455003d48a11bad4570c3ad23de65c95e5b2c
Reviewed-on: https://review.whamcloud.com/30872
Tested-by: Jenkins
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Nathaniel Clark <nathaniel.l.clark@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>