mpl: printing current stdio devices cleanup

Currently the mpl boards duplicate the code to print the current
devices from common/console.c; use stdio_print_current_devices()
instead

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

Edited commit message.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/board/mpl/vcma9/vcma9.c b/board/mpl/vcma9/vcma9.c
index a4c463a..2b3fad2 100644
--- a/board/mpl/vcma9/vcma9.c
+++ b/board/mpl/vcma9/vcma9.c
@@ -27,6 +27,7 @@
 
 #include <common.h>
 #include <s3c2410.h>
+#include <stdio_dev.h>
 #include <i2c.h>
 
 #include "vcma9.h"
@@ -316,7 +317,7 @@
 {
 	mem_test_reloc();
 	checkboard();
-	show_stdio_dev();
+	stdio_print_current_devices();
 	check_env();
 	return 0;
 }