Setting up /dev/uart.debug-console output for DCSD

ios_dcsd_output_set.c

	struct termios tty;
	memset (&tty, 0, sizeof tty);
	
	if (tcgetattr (serial_fd, &tty) != 0)
		return -1;
	
	// set speed
	cfsetospeed (&tty, B115200);
	
	// set control options
	tty.c_cflag &= ~CRTSCTS;	// disable hardware flow control
	tty.c_cflag |= CLOCAL;		// local line - do not change "owner" of port
	tty.c_cflag &= ~CSIZE;		// clean data bits
	tty.c_cflag |= CS8;			// set 8 data bits
	tty.c_cflag &= ~PARENB;		// clean parity bit
	tty.c_cflag &= ~CSTOPB;		// set 1 stop bits by cleaning CSTOPB

	// set output options
	tty.c_oflag &= ~OPOST;		// set raw output
	
	if (tcsetattr (serial_fd, TCSANOW, &tty) != 0)
		return -1;