MPC512x: add support for ARIA board

ARIA is a MPC5121E based COM Express module by Dave/DENX.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: John Rigby <jcrigby@gmail.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index bf076b9..bba6ce9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -75,6 +75,8 @@
 	IceCube_5100	MGT5100
 	IceCube_5200	MPC5200
 
+	ARIA		MPC5121e
+
 	AMX860		MPC860
 	ETX094		MPC850
 	FPS850L		MPC850