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/video/video-uclass.c b/drivers/video/video-uclass.c
index 2cd0d94..20f6973 100644
--- a/drivers/video/video-uclass.c
+++ b/drivers/video/video-uclass.c
@@ -25,7 +25,7 @@
  * Theory of operation:
  *
  * Before relocation each device is bound. The driver for each device must
- * set the @align and @size values in struct video_uc_platdata. This
+ * set the @align and @size values in struct video_uc_plat. This
  * information represents the requires size and alignment of the frame buffer
  * for the device. The values can be an over-estimate but cannot be too
  * small. The actual values will be suppled (in the same manner) by the bind()
@@ -68,7 +68,7 @@
 
 static ulong alloc_fb(struct udevice *dev, ulong *addrp)
 {
-	struct video_uc_platdata *plat = dev_get_uclass_plat(dev);
+	struct video_uc_plat *plat = dev_get_uclass_plat(dev);
 	ulong base, align, size;
 
 	if (!plat->size)
@@ -301,7 +301,7 @@
 /* Set up the display ready for use */
 static int video_post_probe(struct udevice *dev)
 {
-	struct video_uc_platdata *plat = dev_get_uclass_plat(dev);
+	struct video_uc_plat *plat = dev_get_uclass_plat(dev);
 	struct video_priv *priv = dev_get_uclass_priv(dev);
 	char name[30], drv[15], *str;
 	const char *drv_name = drv;
@@ -410,5 +410,5 @@
 	.pre_remove	= video_pre_remove,
 	.priv_auto	= sizeof(struct video_uc_priv),
 	.per_device_auto	= sizeof(struct video_priv),
-	.per_device_plat_auto	= sizeof(struct video_uc_platdata),
+	.per_device_plat_auto	= sizeof(struct video_uc_plat),
 };