dm: treewide: Rename 'platdata' variables to just 'plat'

We use 'priv' for private data but often use 'platdata' for platform data.
We can't really use 'pdata' since that is ambiguous (it could mean private
or platform data).

Rename some of the latter variables to end with 'plat' for consistency.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/adc/rockchip-saradc.c b/drivers/adc/rockchip-saradc.c
index 1e12720..4af7416 100644
--- a/drivers/adc/rockchip-saradc.c
+++ b/drivers/adc/rockchip-saradc.c
@@ -44,7 +44,7 @@
 				 unsigned int *data)
 {
 	struct rockchip_saradc_priv *priv = dev_get_priv(dev);
-	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);
+	struct adc_uclass_plat *uc_pdata = dev_get_uclass_plat(dev);
 
 	if (channel != priv->active_channel) {
 		pr_err("Requested channel is not active!");
@@ -119,7 +119,7 @@
 
 int rockchip_saradc_ofdata_to_platdata(struct udevice *dev)
 {
-	struct adc_uclass_platdata *uc_pdata = dev_get_uclass_platdata(dev);
+	struct adc_uclass_plat *uc_pdata = dev_get_uclass_plat(dev);
 	struct rockchip_saradc_priv *priv = dev_get_priv(dev);
 	struct rockchip_saradc_data *data;