mtd: onenand: omap2: Remove redundant dev_err call in omap2_onenand_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: Wei Yongjun <[e-mail]>
Signed-off-by: Boris Brezillon <[e-mail]>

drivers/mtd/onenand/omap2.c

···
 	c->phys_base = res->start;
 
 	c->onenand.base = devm_ioremap_resource(dev, res);
-	if (IS_ERR(c->onenand.base)) {
-		dev_err(dev, "Cannot reserve memory region %pR\n", res);
+	if (IS_ERR(c->onenand.base))
 		return PTR_ERR(c->onenand.base);
-	}
 
 	c->int_gpiod = devm_gpiod_get_optional(dev, "int", GPIOD_IN);
 	if (IS_ERR(c->int_gpiod)) {