hwrng: bcm2835 - Remove redundant dev_err call in bcm2835_rng_probe()

There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Signed-off-by: NWei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: NEric Anholt <eric@anholt.net>
Acked-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/char/hw_random/bcm2835-rng.c

@@ -158,10 +158,8 @@ static int bcm2835_rng_probe(struct platform_device *pdev)
 
 	/* map peripheral */
 	priv->base = devm_ioremap_resource(dev, r);
-	if (IS_ERR(priv->base)) {
-		dev_err(dev, "failed to remap rng regs");
+	if (IS_ERR(priv->base))
 		return PTR_ERR(priv->base);
-	}
 
 	/* Clock is optional on most platforms */
 	priv->clk = devm_clk_get(dev, NULL);