video: vidconsole: avoid multiple lines overwrite logo

Fix the bug that multiple lines wraps to overwrite logo bmp
display.

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com> # bpi-m1+, bpi-m64
diff --git a/drivers/video/vidconsole-uclass.c b/drivers/video/vidconsole-uclass.c
index d30e6db..9b76154 100644
--- a/drivers/video/vidconsole-uclass.c
+++ b/drivers/video/vidconsole-uclass.c
@@ -622,6 +622,7 @@
 	col *= priv->x_charsize;
 	row *= priv->y_charsize;
 	priv->xcur_frac = VID_TO_POS(min_t(short, col, vid_priv->xsize - 1));
+	priv->xstart_frac = priv->xcur_frac;
 	priv->ycur = min_t(short, row, vid_priv->ysize - 1);
 }