dm: treewide: Rename ofdata_to_platdata() to of_to_plat()

This name is far too long. Rename it to remove the 'data' bits. This makes
it consistent with the platdata->plat rename.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/i2c/i2c-gpio.c b/drivers/i2c/i2c-gpio.c
index 9b2f6f2..8bd96a0 100644
--- a/drivers/i2c/i2c-gpio.c
+++ b/drivers/i2c/i2c-gpio.c
@@ -329,7 +329,7 @@
 	return 0;
 }
 
-static int i2c_gpio_ofdata_to_platdata(struct udevice *dev)
+static int i2c_gpio_of_to_plat(struct udevice *dev)
 {
 	struct i2c_gpio_bus *bus = dev_get_priv(dev);
 	int ret;
@@ -371,7 +371,7 @@
 	.id	= UCLASS_I2C,
 	.of_match = i2c_gpio_ids,
 	.probe	= i2c_gpio_drv_probe,
-	.ofdata_to_platdata = i2c_gpio_ofdata_to_platdata,
+	.of_to_plat = i2c_gpio_of_to_plat,
 	.priv_auto	= sizeof(struct i2c_gpio_bus),
 	.ops	= &i2c_gpio_ops,
 };