common/lcd_console: cleanup lcd_drawchars/lcd_putc_xy
the capability of drawing some *str with count from lcd_drawchars is unnary. It is always called from lcd_putc_xy with one character of and count = 1. So we simply rename lcd_drawchars into lcd_putc_xy and remove the loops inside. Signed-off-by: NHannes Petermaier <hannes.petermaier@br-automation.com> Signed-off-by: NHannes Petermaier <oe5hpm@oevsv.at> Acked-by: NNikita Kiryanov <nikita@compulab.co.il>
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