dm: Use dev_get_addr() where possible

This is a convenient way for a driver to get the hardware address of a
device, when regmap or syscon are not being used. Change existing callers
to use it as an example to others.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
diff --git a/drivers/i2c/tegra_i2c.c b/drivers/i2c/tegra_i2c.c
index a428978..2fa07f9 100644
--- a/drivers/i2c/tegra_i2c.c
+++ b/drivers/i2c/tegra_i2c.c
@@ -339,7 +339,7 @@
 
 	i2c_bus->id = dev->seq;
 	i2c_bus->type = dev_get_driver_data(dev);
-	i2c_bus->regs = (struct i2c_ctlr *)fdtdec_get_addr(blob, node, "reg");
+	i2c_bus->regs = (struct i2c_ctlr *)dev_get_addr(dev);
 
 	/*
 	 * We don't have a binding for pinmux yet. Leave it out for now. So