arm: Tegra2: Add support for NVIDIA Seaboard board

Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/boards.cfg b/boards.cfg
index b7209f9..a64e478 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -128,6 +128,7 @@
 smdkc100                     arm         armv7       smdkc100            samsung        s5pc1xx
 s5pc210_universal            arm         armv7       universal_c210      samsung        s5pc2xx
 harmony                      arm         armv7       harmony             nvidia         tegra2
+seaboard                     arm         armv7       seaboard            nvidia         tegra2
 actux1                       arm         ixp
 actux2                       arm         ixp
 actux3                       arm         ixp