LU-7451 kernel: kernel upgrade RHEL7.2 [3.10.0-327.3.1.el7]

with this mod we switch our supported el7 version to RHEL 7.2
original release RHEL 7.2 kernel version is 3.10.0-327.el7
current RHEL 7.2 kernel update version is 3.10.0-327.3.1.el7

Test-Parameters: clientdistro=el7 mdsdistro=el7 ossdistro=el7 \
  mdsfilesystemtype=ldiskfs mdtfilesystemtype=ldiskfs \
  ostfilesystemtype=ldiskfs testgroup=review-ldiskfs

Signed-off-by: Bob Glossman <bob.glossman@intel.com>
Change-Id: Idcfbee3875e7114962c92401f782bb035a6e3221
Reviewed-on: http://review.whamcloud.com/17305
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Yang Sheng <yang.sheng@intel.com>
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>