dm: tegra: pwm: Convert to livetree

Update the tegra pwm driver to support a live device tree.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Tested-on: Beaver, Jetson-TK1
Tested-by: Stephen Warren <swarren@nvidia.com>

drivers/pwm/tegra_pwm.c

@@ -59,7 +59,7 @@ static int tegra_pwm_ofdata_to_platdata(struct udevice *dev)
 {
 	struct tegra_pwm_priv *priv = dev_get_priv(dev);
 
-	priv->regs = (struct pwm_ctlr *)devfdt_get_addr(dev);
+	priv->regs = (struct pwm_ctlr *)dev_read_addr(dev);
 
 	return 0;
 }