subsys: console: tty: Use tty_putchar() instead of console_putchar()

To be properly layered.

This call is used to signal to user an input buffer overload. Take
a chance to output just a single character in this case, to avoid
amplification and possible output buffer overflow either.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
1 file changed