video: Correct setting of cursor position

The ANSI codes are not correctly handled at present, in that the
requested X position is added to the current one.

Correct this and also call vidconsole_entry_start() to start a new text
line.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
1 file changed