powerpc: aria: convert to generic board

Signed-off-by: Anatolij Gustschin <agust@denx.de>
diff --git a/include/configs/aria.h b/include/configs/aria.h
index c36cf33..2f9677c 100644
--- a/include/configs/aria.h
+++ b/include/configs/aria.h
@@ -13,6 +13,9 @@
 #define __CONFIG_H
 
 #define CONFIG_ARIA 1
+#define CONFIG_DISPLAY_BOARDINFO
+#define CONFIG_SYS_GENERIC_BOARD
+
 /*
  * Memory map for the ARIA board:
  *