ACPICA: Simplify output for the ACPI Debug Object

ACPICA commit ea08cda9859d9f758f4832400b2d559847c2d52a

Cleanup the output, change [Acpi Debug] to Acpi Debug:

Link: https://github.com/acpica/acpica/commit/ea08cda9


Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>