mfd: syscon: Move diagnostic messages to dev_dbg()

This patch moves diagnostic messages used for debugging purposes
to dev_dbg().

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/syscon.c

@@ -152,7 +152,7 @@ static int syscon_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, syscon);
 
-	dev_info(dev, "regmap %pR registered\n", res);
+	dev_dbg(dev, "regmap %pR registered\n", res);
 
 	return 0;
 }