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/rng/meson-rng.c b/drivers/rng/meson-rng.c
index bebfce4..5a4f45a 100644
--- a/drivers/rng/meson-rng.c
+++ b/drivers/rng/meson-rng.c
@@ -11,7 +11,7 @@
 #include <rng.h>
 #include <asm/io.h>
 
-struct meson_rng_platdata {
+struct meson_rng_plat {
 	fdt_addr_t base;
 	struct clk clk;
 };
@@ -26,7 +26,7 @@
  */
 static int meson_rng_read(struct udevice *dev, void *data, size_t len)
 {
-	struct meson_rng_platdata *pdata = dev_get_plat(dev);
+	struct meson_rng_plat *pdata = dev_get_plat(dev);
 	char *buffer = (char *)data;
 
 	while (len) {
@@ -52,7 +52,7 @@
  */
 static int meson_rng_probe(struct udevice *dev)
 {
-	struct meson_rng_platdata *pdata = dev_get_plat(dev);
+	struct meson_rng_plat *pdata = dev_get_plat(dev);
 	int err;
 
 	err = clk_enable(&pdata->clk);
@@ -70,7 +70,7 @@
  */
 static int meson_rng_remove(struct udevice *dev)
 {
-	struct meson_rng_platdata *pdata = dev_get_plat(dev);
+	struct meson_rng_plat *pdata = dev_get_plat(dev);
 
 	return clk_disable(&pdata->clk);
 }
@@ -83,7 +83,7 @@
  */
 static int meson_rng_of_to_plat(struct udevice *dev)
 {
-	struct meson_rng_platdata *pdata = dev_get_plat(dev);
+	struct meson_rng_plat *pdata = dev_get_plat(dev);
 	int err;
 
 	pdata->base = dev_read_addr(dev);
@@ -116,6 +116,6 @@
 	.ops = &meson_rng_ops,
 	.probe = meson_rng_probe,
 	.remove = meson_rng_remove,
-	.plat_auto	= sizeof(struct meson_rng_platdata),
+	.plat_auto	= sizeof(struct meson_rng_plat),
 	.of_to_plat = meson_rng_of_to_plat,
 };