ARM: OMAP2+: devices: Do not print error when dss_hdmi hwmod lookup fails

The dss_hdmi hwmod is used to create the HDMI audio device for OMAP4+
When we boot the kernel we can silently ignore the failure since the IP
does not exist on them.
Reported-by: NPaul Walmsley <paul@pwsan.com>
Signed-off-by: NPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/devices.c

@@ -417,10 +417,8 @@ static void __init omap_init_hdmi_audio(void)
 	struct platform_device *pdev;
 
 	oh = omap_hwmod_lookup("dss_hdmi");
-	if (!oh) {
-		printk(KERN_ERR "Could not look up dss_hdmi hw_mod\n");
+	if (!oh)
 		return;
-	}
 
 	pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0);
 	WARN(IS_ERR(pdev),