dm: Rename dev_get_parentdata() to dev_get_parent_priv()

The current name is inconsistent with other driver model data access
functions. Rename it and fix up all users.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c
index d666272..58388ef 100644
--- a/drivers/spi/spi-uclass.c
+++ b/drivers/spi/spi-uclass.c
@@ -124,7 +124,7 @@
 static int spi_child_pre_probe(struct udevice *dev)
 {
 	struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev);
-	struct spi_slave *slave = dev_get_parentdata(dev);
+	struct spi_slave *slave = dev_get_parent_priv(dev);
 
 	/*
 	 * This is needed because we pass struct spi_slave around the place
@@ -282,7 +282,7 @@
 		ret = device_probe(dev);
 		if (ret)
 			goto err;
-		slave = dev_get_parentdata(dev);
+		slave = dev_get_parent_priv(dev);
 		slave->dev = dev;
 	}
 
@@ -291,7 +291,7 @@
 		goto err;
 
 	*busp = bus;
-	*devp = dev_get_parentdata(dev);
+	*devp = dev_get_parent_priv(dev);
 	debug("%s: bus=%p, slave=%p\n", __func__, bus, *devp);
 
 	return 0;
@@ -320,7 +320,7 @@
 	ret = device_get_child_by_of_offset(bus, node, &dev);
 	if (ret)
 		return NULL;
-	return dev_get_parentdata(dev);
+	return dev_get_parent_priv(dev);
 }
 
 /* Compatibility function - to be removed */