kirkwood: add support for D-Link DNS-325

This patch adds support for D-Link DNS-325 ShareCenter NAS.

Signed-off-by: Stefan Herbrechtsmeier <stefan@code.herbrechtsmeier.net>
Cc: prafulla@marvell.com
Cc: albert.u.boot@aribaud.net
diff --git a/boards.cfg b/boards.cfg
index 32a32f5..59415d9 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -136,6 +136,7 @@
 hawkboard_nand               arm         arm926ejs   da8xxevm            davinci        davinci     hawkboard:NAND_U_BOOT
 hawkboard_uart               arm         arm926ejs   da8xxevm            davinci        davinci     hawkboard:UART_U_BOOT
 enbw_cmc                     arm         arm926ejs   enbw_cmc            enbw           davinci
+dns325                       arm         arm926ejs   -                   d-link         kirkwood
 km_kirkwood                  arm         arm926ejs   km_arm              keymile        kirkwood	km_kirkwood:KM_DISABLE_PCI
 km_kirkwood_pci              arm         arm926ejs   km_arm              keymile        kirkwood	km_kirkwood:KM_RECONFIG_XLX
 mgcoge3un                    arm         arm926ejs   km_arm              keymile        kirkwood