dm: Use access methods for dev/uclass private data

Most drivers use these access methods but a few do not. Update them.

In some cases the access is not permitted, so mark those with a FIXME tag
for the maintainer to check.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Pratyush Yadav <p.yadav@ti.com>
diff --git a/drivers/core/device-remove.c b/drivers/core/device-remove.c
index 289220b..8c12169 100644
--- a/drivers/core/device-remove.c
+++ b/drivers/core/device-remove.c
@@ -89,15 +89,15 @@
 		return log_msg_ret("child unbind", ret);
 
 	if (dev->flags & DM_FLAG_ALLOC_PDATA) {
-		free(dev->plat);
-		dev->plat = NULL;
+		free(dev_get_plat(dev));
+		dev_set_plat(dev, NULL);
 	}
 	if (dev->flags & DM_FLAG_ALLOC_UCLASS_PDATA) {
-		free(dev->uclass_plat);
+		free(dev_get_uclass_plat(dev));
 		dev->uclass_plat = NULL;
 	}
 	if (dev->flags & DM_FLAG_ALLOC_PARENT_PDATA) {
-		free(dev->parent_plat);
+		free(dev_get_parent_plat(dev));
 		dev->parent_plat = NULL;
 	}
 	ret = uclass_unbind_device(dev);
@@ -125,12 +125,12 @@
 	int size;
 
 	if (dev->driver->priv_auto) {
-		free(dev->priv);
-		dev->priv = NULL;
+		free(dev_get_priv(dev));
+		dev_set_priv(dev, NULL);
 	}
 	size = dev->uclass->uc_drv->per_device_auto;
 	if (size) {
-		free(dev->uclass_priv);
+		free(dev_get_uclass_priv(dev));
 		dev->uclass_priv = NULL;
 	}
 	if (dev->parent) {
@@ -140,7 +140,7 @@
 					per_child_auto;
 		}
 		if (size) {
-			free(dev->parent_priv);
+			free(dev_get_parent_priv(dev));
 			dev->parent_priv = NULL;
 		}
 	}