MAINTAINERS: Explicitly add myself as AIX maintainer.

        * MAINTAINERS: Explicitly add myself as AIX maintainer.
        Remove Geoff Keating as rs6000 port maintainer, at his request.

From-SVN: r195739

ChangeLog

+2013-02-04  David Edelsohn  <dje.gcc@gmail.com>
+
+	* MAINTAINERS: Explicitly add myself as AIX maintainer.
+	Remove Geoff Keating as rs6000 port maintainer, at his request.
+
 2013-01-24  Maxim Kuvyrkov  <maxim@kugelworks.com>
 
 	* MAINTAINERS: Update my email.

MAINTAINERS

@@ -90,8 +90,7 @@ moxie port		Anthony Green		green@moxielogic.com
 pdp11 port		Paul Koning		ni1d@arrl.net
 picochip port		Daniel Towner		dant@picochip.com
 rl78 port		DJ Delorie		dj@redhat.com
-rs6000 port		Geoff Keating		geoffk@geoffk.org
-rs6000 port		David Edelsohn		dje.gcc@gmail.com
+rs6000/powerpc port	David Edelsohn		dje.gcc@gmail.com
 rs6000 vector extns	Aldy Hernandez		aldyh@redhat.com
 rx port	      		Nick Clifton		nickc@redhat.com
 s390 port		Hartmut Penner		hpenner@de.ibm.com
@@ -116,6 +115,7 @@ xtensa port		Sterling Augustine	augustine.sterling@gmail.com
 
 			OS Port Maintainers	(OS alphabetical order)
 
+aix			David Edelsohn		dje.gcc@gmail.com
 darwin port		Mike Stump		mikestump@comcast.net
 darwin port		Eric Christopher	echristo@gmail.com
 darwin port		Stan Shebs		stanshebs@earthlink.net