dm: treewide: Rename dev_get_platdata() to dev_get_plat()

Rename this to be consistent with the change from 'platdata'.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/usb/eth/lan75xx.c b/drivers/usb/eth/lan75xx.c
index d5e4c6a..4effbc5 100644
--- a/drivers/usb/eth/lan75xx.c
+++ b/drivers/usb/eth/lan75xx.c
@@ -133,7 +133,7 @@
 int lan75xx_write_hwaddr(struct udevice *dev)
 {
 	struct usb_device *udev = dev_get_parent_priv(dev);
-	struct eth_pdata *pdata = dev_get_platdata(dev);
+	struct eth_pdata *pdata = dev_get_plat(dev);
 	unsigned char *enetaddr = pdata->enetaddr;
 	u32 addr_lo = get_unaligned_le32(&enetaddr[0]);
 	u32 addr_hi = (u32)get_unaligned_le16(&enetaddr[4]);
@@ -242,7 +242,7 @@
 int lan75xx_read_rom_hwaddr(struct udevice *dev)
 {
 	struct usb_device *udev = dev_get_parent_priv(dev);
-	struct eth_pdata *pdata = dev_get_platdata(dev);
+	struct eth_pdata *pdata = dev_get_plat(dev);
 	int ret;
 
 	/*
@@ -261,7 +261,7 @@
 	struct usb_device *udev = dev_get_parent_priv(dev);
 	struct lan7x_private *priv = dev_get_priv(dev);
 	struct ueth_data *ueth = &priv->ueth;
-	struct eth_pdata *pdata = dev_get_platdata(dev);
+	struct eth_pdata *pdata = dev_get_plat(dev);
 	int ret;
 
 	/* Do a reset in order to get the MAC address from HW */