dm: treewide: Rename ..._platdata variables to just ..._plat

Try to maintain some consistency between these variables by using _plat as
a suffix for them.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/gpio/intel_ich6_gpio.c b/drivers/gpio/intel_ich6_gpio.c
index add13d8..11d4be0 100644
--- a/drivers/gpio/intel_ich6_gpio.c
+++ b/drivers/gpio/intel_ich6_gpio.c
@@ -95,7 +95,7 @@
 
 static int gpio_ich6_of_to_plat(struct udevice *dev)
 {
-	struct ich6_bank_platdata *plat = dev_get_plat(dev);
+	struct ich6_bank_plat *plat = dev_get_plat(dev);
 	u32 gpiobase;
 	int offset;
 	int ret;
@@ -119,7 +119,7 @@
 
 static int ich6_gpio_probe(struct udevice *dev)
 {
-	struct ich6_bank_platdata *plat = dev_get_plat(dev);
+	struct ich6_bank_plat *plat = dev_get_plat(dev);
 	struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
 	struct ich6_bank_priv *bank = dev_get_priv(dev);
 	const void *prop;
@@ -237,5 +237,5 @@
 	.of_to_plat	= gpio_ich6_of_to_plat,
 	.probe	= ich6_gpio_probe,
 	.priv_auto	= sizeof(struct ich6_bank_priv),
-	.plat_auto	= sizeof(struct ich6_bank_platdata),
+	.plat_auto	= sizeof(struct ich6_bank_plat),
 };