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/serial/serial_meson.c b/drivers/serial/serial_meson.c
index ac3727d..40d9bfe 100644
--- a/drivers/serial/serial_meson.c
+++ b/drivers/serial/serial_meson.c
@@ -19,7 +19,7 @@
 	u32 misc;
 };
 
-struct meson_serial_platdata {
+struct meson_serial_plat {
 	struct meson_uart *reg;
 };
 
@@ -57,7 +57,7 @@
 
 static int meson_serial_probe(struct udevice *dev)
 {
-	struct meson_serial_platdata *plat = dev->plat;
+	struct meson_serial_plat *plat = dev->plat;
 	struct meson_uart *const uart = plat->reg;
 
 	meson_serial_init(uart);
@@ -67,7 +67,7 @@
 
 static void meson_serial_rx_error(struct udevice *dev)
 {
-	struct meson_serial_platdata *plat = dev->plat;
+	struct meson_serial_plat *plat = dev->plat;
 	struct meson_uart *const uart = plat->reg;
 	u32 val = readl(&uart->control);
 
@@ -83,7 +83,7 @@
 
 static int meson_serial_getc(struct udevice *dev)
 {
-	struct meson_serial_platdata *plat = dev->plat;
+	struct meson_serial_plat *plat = dev->plat;
 	struct meson_uart *const uart = plat->reg;
 	uint32_t status = readl(&uart->status);
 
@@ -100,7 +100,7 @@
 
 static int meson_serial_putc(struct udevice *dev, const char ch)
 {
-	struct meson_serial_platdata *plat = dev->plat;
+	struct meson_serial_plat *plat = dev->plat;
 	struct meson_uart *const uart = plat->reg;
 
 	if (readl(&uart->status) & AML_UART_TX_FULL)
@@ -113,7 +113,7 @@
 
 static int meson_serial_pending(struct udevice *dev, bool input)
 {
-	struct meson_serial_platdata *plat = dev->plat;
+	struct meson_serial_plat *plat = dev->plat;
 	struct meson_uart *const uart = plat->reg;
 	uint32_t status = readl(&uart->status);
 
@@ -138,7 +138,7 @@
 
 static int meson_serial_of_to_plat(struct udevice *dev)
 {
-	struct meson_serial_platdata *plat = dev->plat;
+	struct meson_serial_plat *plat = dev->plat;
 	fdt_addr_t addr;
 
 	addr = dev_read_addr(dev);
@@ -169,7 +169,7 @@
 	.probe		= meson_serial_probe,
 	.ops		= &meson_serial_ops,
 	.of_to_plat = meson_serial_of_to_plat,
-	.plat_auto	= sizeof(struct meson_serial_platdata),
+	.plat_auto	= sizeof(struct meson_serial_plat),
 };
 
 #ifdef CONFIG_DEBUG_UART_MESON