We should sync the display (e.g. flush cache) when backspace is pressed
to ensure that the character is erased correctly.

Signed-off-by: Simon Glass <s...@chromium.org>
Acked-by: Anatolij Gustschin <ag...@denx.de>
---

Changes in v3: None
Changes in v2: None

 drivers/video/vidconsole-uclass.c | 1 +
 1 file changed, 1 insertion(+)

Applied to u-boot-dm, thanks!
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