MAINTAINERS: Update entry with file and SCM for EZX

Add file entry for easier mainatiner detection and make SCM more visible.
Signed-off-by: NStefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: NEric Miao <eric.y.miao@gmail.com>

MAINTAINERS

@@ -645,6 +645,8 @@ M:	laforge@openezx.org
 L:	openezx-devel@lists.openezx.org (subscribers-only)
 W:	http://www.openezx.org/
 S:	Maintained
+T:	topgit git://git.openezx.org/openezx.git
+F:	arch/arm/mach-pxa/ezx.c
 
 ARM/FARADAY FA526 PORT
 P:	Paulius Zaleckas