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/sh7753evb.h b/include/configs/sh7753evb.h
index e2ef2d5..d77b470 100644
--- a/include/configs/sh7753evb.h
+++ b/include/configs/sh7753evb.h
@@ -24,6 +24,7 @@
 #define CONFIG_BAUDRATE		115200
 #define CONFIG_BOOTARGS		"console=ttySC2,115200 root=/dev/nfs ip=dhcp"
 
+#define CONFIG_DISPLAY_BOARDINFO
 #undef	CONFIG_SHOW_BOOT_PROGRESS
 #define CONFIG_CMDLINE_EDITING
 #define CONFIG_AUTO_COMPLETE