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/spi/spi-uclass.c b/drivers/spi/spi-uclass.c
index 26a8477..bba887c 100644
--- a/drivers/spi/spi-uclass.c
+++ b/drivers/spi/spi-uclass.c
@@ -158,7 +158,7 @@
 	if (!dev_of_valid(dev))
 		return 0;
 
-	return spi_slave_ofdata_to_platdata(dev, plat);
+	return spi_slave_of_to_plat(dev, plat);
 }
 #endif
 
@@ -431,8 +431,8 @@
 	slave->dev = NULL;
 }
 
-int spi_slave_ofdata_to_platdata(struct udevice *dev,
-				 struct dm_spi_slave_platdata *plat)
+int spi_slave_of_to_plat(struct udevice *dev,
+			 struct dm_spi_slave_platdata *plat)
 {
 	int mode = 0;
 	int value;