LU-6357 kernel: kernel update RHEL6.6 [2.6.32-504.12.2.el6]

LU-6357 kernel: kernel update RHEL6.6 [2.6.32-504.12.2.el6]

Update RHEL6.6 kernel to 2.6.32-504.12.2.el6

Signed-off-by: Bob Glossman <bob.glossman@intel.com>
Change-Id: I75af90922aac0e3e06aa7952ad87aec8b57bc1d2
Reviewed-on: http://review.whamcloud.com/14058
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Reviewed-by: Minh Diep <minh.diep@intel.com>
Reviewed-by: Yang Sheng <yang.sheng@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>