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/timer/altera_timer.c b/drivers/timer/altera_timer.c
index a8d6ba5..7e9abee 100644
--- a/drivers/timer/altera_timer.c
+++ b/drivers/timer/altera_timer.c
@@ -28,13 +28,13 @@
 	u32	snaph;		/* Snapshot high */
 };
 
-struct altera_timer_platdata {
+struct altera_timer_plat {
 	struct altera_timer_regs *regs;
 };
 
 static u64 altera_timer_get_count(struct udevice *dev)
 {
-	struct altera_timer_platdata *plat = dev->plat;
+	struct altera_timer_plat *plat = dev->plat;
 	struct altera_timer_regs *const regs = plat->regs;
 	u32 val;
 
@@ -49,7 +49,7 @@
 
 static int altera_timer_probe(struct udevice *dev)
 {
-	struct altera_timer_platdata *plat = dev->plat;
+	struct altera_timer_plat *plat = dev->plat;
 	struct altera_timer_regs *const regs = plat->regs;
 
 	writel(0, &regs->status);
@@ -65,7 +65,7 @@
 
 static int altera_timer_of_to_plat(struct udevice *dev)
 {
-	struct altera_timer_platdata *plat = dev_get_plat(dev);
+	struct altera_timer_plat *plat = dev_get_plat(dev);
 
 	plat->regs = map_physmem(dev_read_addr(dev),
 				 sizeof(struct altera_timer_regs),
@@ -88,7 +88,7 @@
 	.id	= UCLASS_TIMER,
 	.of_match = altera_timer_ids,
 	.of_to_plat = altera_timer_of_to_plat,
-	.plat_auto	= sizeof(struct altera_timer_platdata),
+	.plat_auto	= sizeof(struct altera_timer_plat),
 	.probe = altera_timer_probe,
 	.ops	= &altera_timer_ops,
 };