[PATCH] Add AMCC Acadia (405EZ) eval board support

This patch adds support for the new AMCC Acadia eval board.

Please note that this Acadia/405EZ support is still in a beta stage.
Still lot's of cleanup needed but we need a preliminary release now.

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/MAINTAINERS b/MAINTAINERS
index 1d0a8df..61d9271 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -284,6 +284,7 @@
 
 	TQM85xx			MPC8540/8541/8555/8560
 
+	acadia			PPC405EZ
 	alpr			PPC440GX
 	bamboo			PPC440EP
 	bunbinga		PPC405EP