LU-8479 obdclass: Reserve some value for OBD_FAIL_* macros

LU-8479 obdclass: Reserve some value for OBD_FAIL_* macros

Since these value were used by other branch. So
reserve them in master for consistency.

Test-Parameters: trivial envdefinitions=ONLY=0 testlist=sanity

Signed-off-by: Yang Sheng <yang.sheng@intel.com>
Change-Id: I3b262c34b3d86effeeeecb924092c2ffc8764c42
Reviewed-on: http://review.whamcloud.com/21766
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>