ulib: board_f: Skip showing board info with ulib

When running as a library, don't show the board information, to avoid
printing output before the main program starts.

Signed-off-by: Simon Glass <simon.glass@canonical.com>

common/board_info.c

@@ -59,6 +59,9 @@ static int try_sysinfo(void)
 
 int show_board_info(void)
 {
+	if (gd_ulib())
+		return 0;
+
 	if (IS_ENABLED(CONFIG_OF_CONTROL)) {
 		int ret = -ENOSYS;