MAINTAINERS: Add ACPI folks for ACPI-related things under drivers/pci

Add file patterns so get_maintainers.pl reports both PCI and ACPI folks
for ACPI-related things in drivers/pci.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

MAINTAINERS

@@ -242,6 +242,9 @@ F:	drivers/acpi/
 F:	drivers/pnp/pnpacpi/
 F:	include/linux/acpi.h
 F:	include/acpi/
+F:	drivers/pci/*acpi*
+F:	drivers/pci/*/*acpi*
+F:	drivers/pci/*/*/*acpi*
 
 ACPI FAN DRIVER
 M:	Zhang Rui <rui.zhang@intel.com>