wandboard: Return the error immediately when ipuv3_fb_init() fails

If ipuv3_fb_init() fails, we should return the error immediately.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c
index 23a78c1..99150f9 100644
--- a/board/wandboard/wandboard.c
+++ b/board/wandboard/wandboard.c
@@ -230,8 +230,10 @@
 
 	ret = ipuv3_fb_init(&hdmi, 0, IPU_PIX_FMT_RGB24);
 
-	if (ret)
+	if (ret) {
 		printf("HDMI cannot be configured: %d\n", ret);
+		return ret;
+	}
 
 	imx_enable_hdmi_phy();