LU-7379 kernel: kernel update RHEL7.1 [3.10.0-229.20.1.el7]

LU-7379 kernel: kernel update RHEL7.1 [3.10.0-229.20.1.el7]

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

update RHEL 7.1 kernel to 3.10.0-229.20.1.el7

Signed-off-by: Bob Glossman <bob.glossman@intel.com>
Change-Id: I690daa6493232353703f5392cfe0a979b824f3f1
Reviewed-on: http://review.whamcloud.com/17044
Tested-by: Jenkins
Reviewed-by: Minh Diep <minh.diep@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Yang Sheng <yang.sheng@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>