ACPICA: Update maintainers information

Update MAINTAINERS to reflect ACPICA maintainership changes.

Signed-off-by: Rafael J. Wysocki <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: rafaeljw

MAINTAINERS

@@ -318,7 +318,7 @@ F:	drivers/firmware/efi/cper*
 
 ACPI COMPONENT ARCHITECTURE (ACPICA)
 M:	"Rafael J. Wysocki" <[email protected]>
-M:	Robert Moore <robert.moore@intel.com>
+M:	Saket Dumbre <saket.dumbre@intel.com>
 L:	[email protected]
 L:	[email protected]
 S:	Supported