ppc4xx: Add GDsys CompactCenter board support.

Board support for the Guntermann & Drunck CompactCenter and
DevCon-Center.
Based on the AMCC Canyonlands board support by Stefan Roese.

Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/MAINTAINERS b/MAINTAINERS
index 8244b51..e8305da 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -135,6 +135,8 @@
 
 Dirk Eibach <eibach@gdsys.de>
 
+	compactcenter	PPC460EX
+	devconcenter	PPC460EX
 	dlvision        PPC405EP
 	gdppc440etx	PPC440EP/GR
 	neo		PPC405EP