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/imx/mxc_ipuv3_fb.c b/drivers/video/imx/mxc_ipuv3_fb.c
index 0bbd974..6cdbbaf 100644
--- a/drivers/video/imx/mxc_ipuv3_fb.c
+++ b/drivers/video/imx/mxc_ipuv3_fb.c
@@ -383,7 +383,7 @@
 static int mxcfb_map_video_memory(struct fb_info *fbi)
 {
 	struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)fbi->par;
-	struct video_uc_platdata *plat = dev_get_uclass_plat(mxc_fbi->udev);
+	struct video_uc_plat *plat = dev_get_uclass_plat(mxc_fbi->udev);
 
 	if (fbi->fix.smem_len < fbi->var.yres_virtual * fbi->fix.line_length) {
 		fbi->fix.smem_len = fbi->var.yres_virtual *
@@ -586,7 +586,7 @@
 
 static int ipuv3_video_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 *uc_priv = dev_get_uclass_priv(dev);
 #if defined(CONFIG_DISPLAY)
 	struct udevice *disp_dev;
@@ -647,7 +647,7 @@
 
 static int ipuv3_video_bind(struct udevice *dev)
 {
-	struct video_uc_platdata *plat = dev_get_uclass_plat(dev);
+	struct video_uc_plat *plat = dev_get_uclass_plat(dev);
 
 	plat->size = LCD_MAX_WIDTH * LCD_MAX_HEIGHT *
 		     (1 << VIDEO_BPP32) / 8;