ACPICA: acpidump: Update MAINTAINERS file to include tools folder for ACPI/ACPICA.

This patch updates MAINTAINERS file, adding tools/power/acpi for ACPI and
ACPICA.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 31a0462..b8cae76 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -252,6 +252,7 @@
 F:	drivers/pci/*acpi*
 F:	drivers/pci/*/*acpi*
 F:	drivers/pci/*/*/*acpi*
+F:	tools/power/acpi
 
 ACPI COMPONENT ARCHITECTURE (ACPICA)
 M:	Robert Moore <robert.moore@intel.com>
@@ -266,6 +267,7 @@
 S:	Supported
 F:	drivers/acpi/acpica/
 F:	include/acpi/
+F:	tools/power/acpi/
 
 ACPI FAN DRIVER
 M:	Zhang Rui <rui.zhang@intel.com>