LU-5160 build: warn on deprecated CFS_LIST_HEAD uses

LU-5160 build: warn on deprecated CFS_LIST_HEAD uses

Change checkpatch.pl script to report:
CFS_LIST_HEAD() is deprecated, use "struct list_head foo =
LIST_HEAD_INIT(foo);" instead.

Signed-off-by: Emoly Liu <emoly.liu@intel.com>
Change-Id: Ic667d4598c0740e2802416dd3800dacdaf378e73
Reviewed-on: http://review.whamcloud.com/10649
Tested-by: Jenkins
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>