LU-9138 kernel: kernel update [SLES12 SP1 3.12.69-60.64.32]

LU-9138 kernel: kernel update [SLES12 SP1 3.12.69-60.64.32]

Update target and kernel_config files for new version
Add an extra ldiskfs patch to adapt to changes from recent landing
of LU-9031.  These changes were required due to new features
in upstream ext4 code seen in both linux 4.4 and linux 3.12.

Test-Parameters: clientdistro=sles12 testgroup=review-ldiskfs \
  mdsdistro=sles12 ossdistro=sles12 mdsfilesystemtype=ldiskfs \
  mdtfilesystemtype=ldiskfs ostfilesystemtype=ldiskfs

Signed-off-by: Bob Glossman <bob.glossman@intel.com>
Change-Id: I0c7f01dfaa087e0799a300531aff45841ba87c68
Reviewed-on: https://review.whamcloud.com/25556
Reviewed-by: Yang Sheng <yang.sheng@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Minh Diep <minh.diep@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>