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/rtc/mvrtc.c b/drivers/rtc/mvrtc.c
index ed057f7..731ce8d 100644
--- a/drivers/rtc/mvrtc.c
+++ b/drivers/rtc/mvrtc.c
@@ -133,7 +133,7 @@
 #ifdef CONFIG_DM_RTC
 static int mv_rtc_get(struct udevice *dev, struct rtc_time *tm)
 {
-	struct mvrtc_pdata *pdata = dev_get_platdata(dev);
+	struct mvrtc_pdata *pdata = dev_get_plat(dev);
 	struct mvrtc_registers *regs = (struct mvrtc_registers *)pdata->iobase;
 
 	return __mv_rtc_get(regs, tm);
@@ -141,7 +141,7 @@
 
 static int mv_rtc_set(struct udevice *dev, const struct rtc_time *tm)
 {
-	struct mvrtc_pdata *pdata = dev_get_platdata(dev);
+	struct mvrtc_pdata *pdata = dev_get_plat(dev);
 	struct mvrtc_registers *regs = (struct mvrtc_registers *)pdata->iobase;
 
 	return __mv_rtc_set(regs, tm);
@@ -149,7 +149,7 @@
 
 static int mv_rtc_reset(struct udevice *dev)
 {
-	struct mvrtc_pdata *pdata = dev_get_platdata(dev);
+	struct mvrtc_pdata *pdata = dev_get_plat(dev);
 	struct mvrtc_registers *regs = (struct mvrtc_registers *)pdata->iobase;
 
 	__mv_rtc_reset(regs);
@@ -170,7 +170,7 @@
 
 static int mv_rtc_ofdata_to_platdata(struct udevice *dev)
 {
-	struct mvrtc_pdata *pdata = dev_get_platdata(dev);
+	struct mvrtc_pdata *pdata = dev_get_plat(dev);
 
 	pdata->iobase = dev_read_addr(dev);
 	return 0;