Fix video console newline and carriage return handling
Lines of the lenght CONSOLE_COLS or greater than CONSOLE_COLS are not displayed correctly. This is an attempt to fix this issue. Also add carriage return handling. Signed-off-by: NAnatolij Gustschin <agust@denx.de> Signed-off-by: NRodolfo Giometti <giometti@linux.it>
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