serial: bcm6345: convert to use live dt

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>

drivers/serial/serial_bcm6345.c

@@ -227,17 +227,13 @@ static int bcm6345_serial_probe(struct udevice *dev)
 {
 	struct bcm6345_serial_priv *priv = dev_get_priv(dev);
 	struct clk clk;
-	fdt_addr_t addr;
-	fdt_size_t size;
 	int ret;
 
 	/* get address */
-	addr = devfdt_get_addr_size_index(dev, 0, &size);
-	if (addr == FDT_ADDR_T_NONE)
+	priv->base = dev_remap_addr(dev);
+	if (!priv->base)
 		return -EINVAL;
 
-	priv->base = ioremap(addr, size);
-
 	/* get clock rate */
 	ret = clk_get_by_index(dev, 0, &clk);
 	if (ret < 0)