MAINTAINERS: omap: fix regex

Otherwise 'arch/arm/*omap*/foo.c' wouldn't match
Signed-off-by: NFelipe Contreras <felipe.contreras@gmail.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -3737,7 +3737,7 @@ W:	http://www.muru.com/linux/omap/
 W:	http://linux.omap.com/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git
 S:	Maintained
-F:	arch/arm/*omap*
+F:	arch/arm/*omap*/
 
 OMAP CLOCK FRAMEWORK SUPPORT
 M:	Paul Walmsley <paul@pwsan.com>