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/usb/eth/smsc95xx.c b/drivers/usb/eth/smsc95xx.c
index dc8fa88..d4b5ff4 100644
--- a/drivers/usb/eth/smsc95xx.c
+++ b/drivers/usb/eth/smsc95xx.c
@@ -945,7 +945,7 @@
 #ifdef CONFIG_DM_ETH
 static int smsc95xx_eth_start(struct udevice *dev)
 {
-	struct usb_device *udev = dev_get_parentdata(dev);
+	struct usb_device *udev = dev_get_parent_priv(dev);
 	struct smsc95xx_private *priv = dev_get_priv(dev);
 	struct eth_pdata *pdata = dev_get_platdata(dev);
 
@@ -1029,7 +1029,7 @@
 
 int smsc95xx_write_hwaddr(struct udevice *dev)
 {
-	struct usb_device *udev = dev_get_parentdata(dev);
+	struct usb_device *udev = dev_get_parent_priv(dev);
 	struct eth_pdata *pdata = dev_get_platdata(dev);
 	struct smsc95xx_private *priv = dev_get_priv(dev);