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/boards.cfg b/boards.cfg
index c3b164e..bce3521 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -717,6 +717,7 @@
 WUH405                       powerpc     ppc4xx      wuh405              esd
 devconcenter                 powerpc     ppc4xx      intip               gdsys          -           intip:DEVCONCENTER
 dlvision                     powerpc     ppc4xx      -                   gdsys
+dlvision-10g                 powerpc     ppc4xx      405ep               gdsys
 gdppc440etx                  powerpc     ppc4xx      -                   gdsys
 intip                        powerpc     ppc4xx      intip               gdsys          -           intip:INTIB
 io                           powerpc     ppc4xx      405ep               gdsys