ppc4xx: Add DLVision-10G board support

Board support for the Guntermann & Drunck DLVision-10G.
Adds support for multiple FPGAs per board for gdsys 405ep
architecture.
Adds support for dual link osd hardware for gdsys 405ep.

Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/MAINTAINERS b/MAINTAINERS
index b37ed0c..54d075b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -146,6 +146,7 @@
 
 	devconcenter	PPC460EX
 	dlvision        PPC405EP
+	dlvision-10g	PPC405EP
 	gdppc440etx	PPC440EP/GR
 	intip		PPC460EX
 	io		PPC405EP