ACPICA: Parser: Reduce parser/namespace divergences for tracer support

This patch reduces divergences in parser/namespace components so that the
follow-up linuxized ACPICA upstream commits can be directly merged.
Including the fix to an indent issue reported and fixed by Zhouyi Zhou.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Zhouyi Zhou <yizhouzhou@ict.ac.cn>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>