MX25: Add initial support for MX25PDK

Add the initial support for MX25PDK booting from SD card via internal boot.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index b70eda6..8182430 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -634,6 +634,7 @@
 
 Fabio Estevam <fabio.estevam@freescale.com>
 
+	mx25pdk		i.MX25
 	mx31pdk		i.MX31
 	mx53ard		i.MX53
 	mx53smd		i.MX53