m68k: Add generic board support for MCF547X/8X and MCF5445X

This patch adds generic board support for MCF547X/8X and MCF5445X.
It is based on the patch about common generic board support for
M68K architecture sent by Angelo.

Signed-off-by: Alison Wang <alison.wang@freescale.com>
diff --git a/include/configs/M54455EVB.h b/include/configs/M54455EVB.h
index 7a55d3c..2faf581 100644
--- a/include/configs/M54455EVB.h
+++ b/include/configs/M54455EVB.h
@@ -22,6 +22,8 @@
 #define CONFIG_M54455		/* define processor type */
 #define CONFIG_M54455EVB	/* M54455EVB board */
 
+#define CONFIG_DISPLAY_BOARDINFO
+
 #define CONFIG_MCFUART
 #define CONFIG_SYS_UART_PORT		(0)
 #define CONFIG_BAUDRATE		115200