kirkwood: sheevaplug: add CONFIG_SYS_GENERIC_BOARD define

Signed-off-by: Luka Perkov <luka@openwrt.org>
Acked-by: Stefan Roese <sr@denx.de>
CC: Prafulla Wadaskar <prafulla@marvell.com>
diff --git a/include/configs/sheevaplug.h b/include/configs/sheevaplug.h
index 71be823..21c8bda 100644
--- a/include/configs/sheevaplug.h
+++ b/include/configs/sheevaplug.h
@@ -10,6 +10,8 @@
 #ifndef _CONFIG_SHEEVAPLUG_H
 #define _CONFIG_SHEEVAPLUG_H
 
+#define CONFIG_SYS_GENERIC_BOARD
+
 /*
  * Version number information
  */