ARM: at91 series: convert to generic board

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/include/configs/at91rm9200ek.h b/include/configs/at91rm9200ek.h
index a30c016..735c82a 100644
--- a/include/configs/at91rm9200ek.h
+++ b/include/configs/at91rm9200ek.h
@@ -61,6 +61,8 @@
 #define CONFIG_CMD_BOOTZ
 #define CONFIG_OF_LIBFDT
 
+#define CONFIG_SYS_GENERIC_BOARD
+
 /*
  * Memory Configuration
  */