LU-9010 obdclass: use static initializer macros where possible

In lustre/ldlm/ replace module load time initialization of several
atomics, lists, locks, mutexes, wait queues, etc with static
initialization using the kernel provided macros.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: I5514992762b95fb23a154970abebd34fb65d9be2
Reviewed-on: https://review.whamcloud.com/24827
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Steve Guminski <stephenx.guminski@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>