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/clk/clk_fixed_rate.c b/drivers/clk/clk_fixed_rate.c
index 3b60434..12d81a7 100644
--- a/drivers/clk/clk_fixed_rate.c
+++ b/drivers/clk/clk_fixed_rate.c
@@ -24,7 +24,7 @@
 	.enable = dummy_enable,
 };
 
-static int clk_fixed_rate_ofdata_to_platdata(struct udevice *dev)
+static int clk_fixed_rate_of_to_plat(struct udevice *dev)
 {
 	struct clk *clk = &to_clk_fixed_rate(dev)->clk;
 #if !CONFIG_IS_ENABLED(OF_PLATDATA)
@@ -50,7 +50,7 @@
 	.name = "fixed_clock",
 	.id = UCLASS_CLK,
 	.of_match = clk_fixed_rate_match,
-	.ofdata_to_platdata = clk_fixed_rate_ofdata_to_platdata,
+	.of_to_plat = clk_fixed_rate_of_to_plat,
 	.plat_auto	= sizeof(struct clk_fixed_rate),
 	.ops = &clk_fixed_rate_ops,
 	.flags = DM_FLAG_PRE_RELOC,