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/power/regulator/fixed.c b/drivers/power/regulator/fixed.c
index d887c87..ed27ffc 100644
--- a/drivers/power/regulator/fixed.c
+++ b/drivers/power/regulator/fixed.c
@@ -16,11 +16,11 @@
 
 static int fixed_regulator_ofdata_to_platdata(struct udevice *dev)
 {
-	struct dm_regulator_uclass_platdata *uc_pdata;
+	struct dm_regulator_uclass_plat *uc_pdata;
 	struct regulator_common_platdata *dev_pdata;
 
 	dev_pdata = dev_get_platdata(dev);
-	uc_pdata = dev_get_uclass_platdata(dev);
+	uc_pdata = dev_get_uclass_plat(dev);
 	if (!uc_pdata)
 		return -ENXIO;
 
@@ -31,9 +31,9 @@
 
 static int fixed_regulator_get_value(struct udevice *dev)
 {
-	struct dm_regulator_uclass_platdata *uc_pdata;
+	struct dm_regulator_uclass_plat *uc_pdata;
 
-	uc_pdata = dev_get_uclass_platdata(dev);
+	uc_pdata = dev_get_uclass_plat(dev);
 	if (!uc_pdata)
 		return -ENXIO;
 
@@ -47,9 +47,9 @@
 
 static int fixed_regulator_get_current(struct udevice *dev)
 {
-	struct dm_regulator_uclass_platdata *uc_pdata;
+	struct dm_regulator_uclass_plat *uc_pdata;
 
-	uc_pdata = dev_get_uclass_platdata(dev);
+	uc_pdata = dev_get_uclass_plat(dev);
 	if (!uc_pdata)
 		return -ENXIO;
 
@@ -89,5 +89,5 @@
 	.ops = &fixed_regulator_ops,
 	.of_match = fixed_regulator_ids,
 	.ofdata_to_platdata = fixed_regulator_ofdata_to_platdata,
-	.platdata_auto	= sizeof(struct regulator_common_platdata),
+	.plat_auto	= sizeof(struct regulator_common_platdata),
 };