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/pwm/exynos_pwm.c b/drivers/pwm/exynos_pwm.c
index 70fbdf8..1afaf78 100644
--- a/drivers/pwm/exynos_pwm.c
+++ b/drivers/pwm/exynos_pwm.c
@@ -88,7 +88,7 @@
 	return 0;
 }
 
-static int exynos_pwm_ofdata_to_platdata(struct udevice *dev)
+static int exynos_pwm_of_to_plat(struct udevice *dev)
 {
 	struct exynos_pwm_priv *priv = dev_get_priv(dev);
 
@@ -113,6 +113,6 @@
 	.of_match = exynos_channels,
 	.ops	= &exynos_pwm_ops,
 	.probe	= exynos_pwm_probe,
-	.ofdata_to_platdata	= exynos_pwm_ofdata_to_platdata,
+	.of_to_plat	= exynos_pwm_of_to_plat,
 	.priv_auto	= sizeof(struct exynos_pwm_priv),
 };