common: board_r: print error if binman_init fails

Display an error if binman_init fails.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/common/board_r.c b/common/board_r.c
index 3f82404..e3e6248 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -323,10 +323,16 @@
 
 static int initr_binman(void)
 {
+	int ret;
+
 	if (!CONFIG_IS_ENABLED(BINMAN_FDT))
 		return 0;
 
-	return binman_init();
+	ret = binman_init();
+	if (ret)
+		printf("binman_init failed:%d\n", ret);
+
+	return ret;
 }
 
 #if defined(CONFIG_MTD_NOR_FLASH)