tools: kwboot: Fix initializing tty device
Retrieve current terminal settings via tcgetattr(), set to raw mode with cfmakeraw(), enable receiver via CREAD and ignore modem control lines via CLOCAL. Signed-off-by:Pali Rohár <pali@kernel.org> Signed-off-by:
Marek Behún <marek.behun@nic.cz> Reviewed-by:
Stefan Roese <sr@denx.de>
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