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/board/gdsys/405ep/Makefile b/board/gdsys/405ep/Makefile
index ed31207..169418c 100644
--- a/board/gdsys/405ep/Makefile
+++ b/board/gdsys/405ep/Makefile
@@ -27,6 +27,7 @@
 
 COBJS-$(CONFIG_IO) += io.o
 COBJS-$(CONFIG_IOCON) += iocon.o
+COBJS-$(CONFIG_DLVISION_10G) += dlvision-10g.o
 
 COBJS   := $(BOARD).o $(COBJS-y)
 SOBJS   =