arm: add support of Kirkwood based board SUEN8

The Kirwood based SUEN8 board from Keymile is at this stage
the same than the suen3 board. This patch adds the board
support for the suen8.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Heiko Schocher <hs@denx.de>
cc: Prafulla Wadaskar <prafulla@marvell.com>
diff --git a/boards.cfg b/boards.cfg
index eb1b7ad..6224a71 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -104,6 +104,7 @@
 davinci_sffsdr               arm         arm926ejs   sffsdr              davinci        davinci
 davinci_sonata               arm         arm926ejs   sonata              davinci        davinci
 suen3                        arm         arm926ejs   km_arm              keymile        kirkwood
+suen8                        arm         arm926ejs   km_arm              keymile        kirkwood
 mgcoge2un                    arm         arm926ejs   km_arm              keymile        kirkwood
 guruplug                     arm         arm926ejs   -                   Marvell        kirkwood
 mv88f6281gtw_ge              arm         arm926ejs   -                   Marvell        kirkwood