Add iAudio M3 port and maintainer.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18205 a1c6a512-1295-4272-9138-f99709370657
diff --git a/docs/MAINTAINERS b/docs/MAINTAINERS
index 6268360..4bc7d42 100644
--- a/docs/MAINTAINERS
+++ b/docs/MAINTAINERS
@@ -52,6 +52,7 @@
 :Iaudio X5: Linus Nielsen Feltzing
 :Iaudio X5V: Linus Nielsen Feltzing
 :Iaudio M5: Marianne Arnold
+:Iaudio M3: Jens Arnold
 :Onda VX747: Maurus Cuelenaere
 :Sansa E200: Michael Sevakis, Barry Wardell
 :Sansa E200R: