MAINTAINERS: make IOAT easier to find

Searching MAINTAINERS for "ioat" comes up empty.  Fix this.

Cc: "Dan Williams" <dan.j.williams@intel.com>
Cc: "Sosnowski, Maciej" <maciej.sosnowski@intel.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -721,7 +721,7 @@ W:	http://sourceforge.net/projects/acpi4asus
 W:	http://xf.iksaif.net/acpi4asus
 S:	Maintained
 
-ASYNCHRONOUS TRANSFERS/TRANSFORMS API
+ASYNCHRONOUS TRANSFERS/TRANSFORMS (IOAT) API
 P:	Dan Williams
 M:	dan.j.williams@intel.com
 P:	Maciej Sosnowski