Rename openrd_base files to openrd

Signed-off-by: Clint Adams <clint@debian.org>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Cc: Prafulla Wadaskar <prafulla@marvell.com>
Cc: Julian Pidancet <julian.pidancet@citrix.com>
diff --git a/boards.cfg b/boards.cfg
index f0d3440..6bcda28 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -108,7 +108,7 @@
 mgcoge2un                    arm         arm926ejs   km_arm              keymile        kirkwood
 guruplug                     arm         arm926ejs   -                   Marvell        kirkwood
 mv88f6281gtw_ge              arm         arm926ejs   -                   Marvell        kirkwood
-openrd_base                  arm         arm926ejs   -                   Marvell        kirkwood
+openrd_base                  arm         arm926ejs   openrd              Marvell        kirkwood        openrd:BOARD_IS_OPENRD_BASE
 rd6281a                      arm         arm926ejs   -                   Marvell        kirkwood
 sheevaplug                   arm         arm926ejs   -                   Marvell        kirkwood
 dockstar                     arm         arm926ejs   -                   Seagate        kirkwood