ram: bmips: 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/ram/bmips_ram.c

@@ -150,14 +150,11 @@ static int bmips_ram_probe(struct udevice *dev)
 	struct bmips_ram_priv *priv = dev_get_priv(dev);
 	const struct bmips_ram_hw *hw =
 		(const struct bmips_ram_hw *)dev_get_driver_data(dev);
-	fdt_addr_t addr;
-	fdt_size_t size;
 
-	addr = devfdt_get_addr_size_index(dev, 0, &size);
-	if (addr == FDT_ADDR_T_NONE)
+	priv->regs = dev_remap_addr(dev);
+	if (!priv->regs)
 		return -EINVAL;
 
-	priv->regs = ioremap(addr, size);
 	priv->hw = hw;
 
 	return 0;