Revert "ACPICA: Namespace: Fix deadlock triggered by MLC support in dynamic table loading"

Revert commit 2f38b1b1 (ACPICA: Namespace: Fix deadlock triggered by
MLC support in dynamic table loading) that attempted to fix a deadlock
issue introduced by a previous commit, but it led to a lock ordering
inconsistency that caused further problems to appear.

Fixes: 2f38b1b1

 (ACPICA: Namespace: Fix deadlock triggered by MLC support in dynamic table loading)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>