MX53: Add initial support for MX53ARD

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 2bba7b4..4160624 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -641,6 +641,7 @@
 Fabio Estevam <fabio.estevam@freescale.com>
 
 	mx31pdk		i.MX31
+	mx53ard		i.MX53
 	mx53smd		i.MX53
 
 Daniel Gorsulowski <daniel.gorsulowski@esd.eu>