rt2x00: update MAINTAINERS

Although I have always been the active maintainer of the rt2x00 drivers,
I was not mentioned explicitely in the MAINTAINERS file as such.

Update the rt2x00 entry in the MAINTAINERS file to add my name and
email address.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index c856aee..b37e0cd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4280,6 +4280,7 @@
 
 RALINK RT2X00 WIRELESS LAN DRIVER
 P:	rt2x00 project
+M:	Ivo van Doorn <IvDoorn@gmail.com>
 L:	linux-wireless@vger.kernel.org
 L:	users@rt2x00.serialmonkey.com (moderated for non-subscribers)
 W:	http://rt2x00.serialmonkey.com/