MAINTAINERS: update my mail address

I don't own this mail address anymore. This patch change the mail
address to my current one.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Acked-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index f7d568b..1d3e13e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -155,7 +155,7 @@
 F:	drivers/scsi/53c700*
 
 6LOWPAN GENERIC (BTLE/IEEE 802.15.4)
-M:	Alexander Aring <aar@pengutronix.de>
+M:	Alexander Aring <alex.aring@gmail.com>
 M:	Jukka Rissanen <jukka.rissanen@linux.intel.com>
 L:	linux-bluetooth@vger.kernel.org
 L:	linux-wpan@vger.kernel.org
@@ -6420,7 +6420,7 @@
 F:	drivers/ide/ide-cd*
 
 IEEE 802.15.4 SUBSYSTEM
-M:	Alexander Aring <aar@pengutronix.de>
+M:	Alexander Aring <alex.aring@gmail.com>
 M:	Stefan Schmidt <stefan@osg.samsung.com>
 L:	linux-wpan@vger.kernel.org
 W:	http://wpan.cakelab.org/