Kernel config: Enable SLUB allocator debugging

Kernel config: Enable SLUB allocator debugging

BZ: 39652

In order to be able to debug kernel memory corruptions (generating Paging
request BUGs), it could be useful to activate SLUB allocator debugging
features.
Signed-off-by: Emmanuel Berthier <emmanuel.berthier@intel.com>
Change-Id: I1687bae9cb750a1856c4b4d8646b495f8315a317
Reviewed-on: http://android.intel.com:8080/52492
Reviewed-by: Yang, Fei <fei.yang@intel.com>
Tested-by: Ng, Cheon-woei <cheon-woei.ng@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>