ACPI: Make Len Brown the ACPI maintainer again

Len is back!

Signed-off-by: Andi Kleen <ak@linux.intel.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 663485b..9fc7c1c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -222,8 +222,7 @@
 S:	Maintained
 
 ACPI
-P:	Andi Kleen
-M:	ak@linux.intel.com
+P:	Len Brown
 M:	lenb@kernel.org
 L:	linux-acpi@vger.kernel.org
 W:	http://www.lesswatts.org/projects/acpi/