Add rpc commands bdev_opal_lock_unlock, bdev_opal_new_user.
Admin can add new user for opal bdev created and the user can
lock/unlock the bdev by himself.
Change-Id: I9a1e360399617b5a039dc5353097ab525c7eb964
Signed-off-by: Chunyang Hui <chunyang.hui@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/471475
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
bc40f5f661