sh: define CONFIG_DISPLAY_BOARDINFO to print board information

All SH boards define a checkboard() function which outputs basic board
information on boot, however generic board support requires to define
CONFIG_DISPLAY_BOARDINFO to do that, so define it for the boards.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/ap325rxa.h b/include/configs/ap325rxa.h
index 6e39868..c86ce05 100644
--- a/include/configs/ap325rxa.h
+++ b/include/configs/ap325rxa.h
@@ -20,6 +20,7 @@
 #define CONFIG_BAUDRATE		38400
 #define CONFIG_BOOTARGS		"console=ttySC2,38400"
 
+#define CONFIG_DISPLAY_BOARDINFO
 #undef  CONFIG_SHOW_BOOT_PROGRESS
 
 /* SMC9118 */