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

It means that the SoC does not have DMIC IP.
Reported-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/devices.c

@@ -393,10 +393,8 @@ static void __init omap_init_dmic(void)
 	struct platform_device *pdev;
 
 	oh = omap_hwmod_lookup("dmic");
-	if (!oh) {
-		pr_err("Could not look up dmic hw_mod\n");
+	if (!oh)
 		return;
-	}
 
 	pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0);
 	WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n");