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/serial/serial_stm32.c b/drivers/serial/serial_stm32.c
index 210b5b5..9b56b24 100644
--- a/drivers/serial/serial_stm32.c
+++ b/drivers/serial/serial_stm32.c
@@ -44,7 +44,7 @@
 
 static int stm32_serial_setbrg(struct udevice *dev, int baudrate)
 {
-	struct stm32x7_serial_platdata *plat = dev_get_platdata(dev);
+	struct stm32x7_serial_platdata *plat = dev_get_plat(dev);
 
 	_stm32_serial_setbrg(plat->base, plat->uart_info,
 			     plat->clock_rate, baudrate);
@@ -54,7 +54,7 @@
 
 static int stm32_serial_setconfig(struct udevice *dev, uint serial_config)
 {
-	struct stm32x7_serial_platdata *plat = dev_get_platdata(dev);
+	struct stm32x7_serial_platdata *plat = dev_get_plat(dev);
 	bool stm32f4 = plat->uart_info->stm32f4;
 	u8 uart_enable_bit = plat->uart_info->uart_enable_bit;
 	u32 cr1 = plat->base + CR1_OFFSET(stm32f4);
@@ -102,7 +102,7 @@
 
 static int stm32_serial_getc(struct udevice *dev)
 {
-	struct stm32x7_serial_platdata *plat = dev_get_platdata(dev);
+	struct stm32x7_serial_platdata *plat = dev_get_plat(dev);
 	bool stm32f4 = plat->uart_info->stm32f4;
 	fdt_addr_t base = plat->base;
 	u32 isr = readl(base + ISR_OFFSET(stm32f4));
@@ -139,14 +139,14 @@
 
 static int stm32_serial_putc(struct udevice *dev, const char c)
 {
-	struct stm32x7_serial_platdata *plat = dev_get_platdata(dev);
+	struct stm32x7_serial_platdata *plat = dev_get_plat(dev);
 
 	return _stm32_serial_putc(plat->base, plat->uart_info, c);
 }
 
 static int stm32_serial_pending(struct udevice *dev, bool input)
 {
-	struct stm32x7_serial_platdata *plat = dev_get_platdata(dev);
+	struct stm32x7_serial_platdata *plat = dev_get_plat(dev);
 	bool stm32f4 = plat->uart_info->stm32f4;
 	fdt_addr_t base = plat->base;
 
@@ -175,7 +175,7 @@
 
 static int stm32_serial_probe(struct udevice *dev)
 {
-	struct stm32x7_serial_platdata *plat = dev_get_platdata(dev);
+	struct stm32x7_serial_platdata *plat = dev_get_plat(dev);
 	struct clk clk;
 	struct reset_ctl reset;
 	int ret;
@@ -219,7 +219,7 @@
 
 static int stm32_serial_ofdata_to_platdata(struct udevice *dev)
 {
-	struct stm32x7_serial_platdata *plat = dev_get_platdata(dev);
+	struct stm32x7_serial_platdata *plat = dev_get_plat(dev);
 
 	plat->base = dev_read_addr(dev);
 	if (plat->base == FDT_ADDR_T_NONE)