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/omap_gpio.c b/drivers/gpio/omap_gpio.c
index 665f46d..400c6ca 100644
--- a/drivers/gpio/omap_gpio.c
+++ b/drivers/gpio/omap_gpio.c
@@ -285,7 +285,7 @@
 static int omap_gpio_probe(struct udevice *dev)
 {
 	struct gpio_bank *bank = dev_get_priv(dev);
-	struct omap_gpio_platdata *plat = dev_get_plat(dev);
+	struct omap_gpio_plat *plat = dev_get_plat(dev);
 	struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
 	char name[18], *str;
 
@@ -302,7 +302,7 @@
 #if !CONFIG_IS_ENABLED(OF_CONTROL)
 static int omap_gpio_bind(struct udevice *dev)
 {
-	struct omap_gpio_platdata *plat = dev_get_plat(dev);
+	struct omap_gpio_plat *plat = dev_get_plat(dev);
 	fdt_addr_t base_addr;
 
 	if (plat)
@@ -344,7 +344,7 @@
 
 static int omap_gpio_of_to_plat(struct udevice *dev)
 {
-	struct omap_gpio_platdata *plat = dev_get_plat(dev);
+	struct omap_gpio_plat *plat = dev_get_plat(dev);
 	fdt_addr_t addr;
 
 	addr = dev_read_addr(dev);
@@ -363,7 +363,7 @@
 #if !CONFIG_IS_ENABLED(OF_PLATDATA)
 	.of_match = omap_gpio_ids,
 	.of_to_plat = of_match_ptr(omap_gpio_of_to_plat),
-	.plat_auto	= sizeof(struct omap_gpio_platdata),
+	.plat_auto	= sizeof(struct omap_gpio_plat),
 #endif
 #else
 	.bind   = omap_gpio_bind,