board/freescale: use generic board architecture for p1025-twr

Use generic board architecture for p1025-twr, tested with NOR
boot and NAND boot on p1025-twr.

Signed-off-by: Ying Zhang <b40530@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/include/configs/p1_twr.h b/include/configs/p1_twr.h
index 681bc92..9864c15 100644
--- a/include/configs/p1_twr.h
+++ b/include/configs/p1_twr.h
@@ -10,6 +10,8 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
+#define	CONFIG_SYS_GENERIC_BOARD
+#define	CONFIG_DISPLAY_BOARDINFO
 #if defined(CONFIG_TWR_P1025)
 #define CONFIG_BOARDNAME "TWR-P1025"
 #define CONFIG_P1025