[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/Makefile b/Makefile
index 358d181..65e7f5b 100644
--- a/Makefile
+++ b/Makefile
@@ -994,6 +994,9 @@
 #########################################################################
 xtract_4xx = $(subst _25,,$(subst _33,,$(subst _BA,,$(subst _ME,,$(subst _HI,,$(subst _config,,$1))))))
 
+acadia_config:	unconfig
+	@$(MKCONFIG) $(@:_config=) ppc ppc4xx acadia amcc
+
 ADCIOP_config:	unconfig
 	@$(MKCONFIG) $(@:_config=) ppc ppc4xx adciop esd