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/core/root.c b/drivers/core/root.c
index 348dc9e..42f8f0c 100644
--- a/drivers/core/root.c
+++ b/drivers/core/root.c
@@ -69,8 +69,8 @@
 			entry->remove += gd->reloc_off;
 		if (entry->unbind)
 			entry->unbind += gd->reloc_off;
-		if (entry->ofdata_to_platdata)
-			entry->ofdata_to_platdata += gd->reloc_off;
+		if (entry->of_to_plat)
+			entry->of_to_plat += gd->reloc_off;
 		if (entry->child_post_bind)
 			entry->child_post_bind += gd->reloc_off;
 		if (entry->child_pre_probe)