ARM: at91sam9rlek: convert to generic board support

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h
index 3747098..b8d5dd1 100644
--- a/include/configs/at91sam9rlek.h
+++ b/include/configs/at91sam9rlek.h
@@ -34,6 +34,8 @@
 #define CONFIG_CMD_BOOTZ
 #define CONFIG_OF_LIBFDT
 
+#define CONFIG_SYS_GENERIC_BOARD
+
 #define CONFIG_ATMEL_LEGACY
 #define CONFIG_AT91_GPIO		1
 #define CONFIG_AT91_GPIO_PULLUP		1