Avoid extra carriage returns in the output by disabling output processing.
Otherwise, whenever the remote sends a \r\n, we end up with \r\r\n.

Reported-by: Vivi Li <vivi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

This script is similar to the netconsole script, but instead works with
the JTAG console device driver that exists on Blackfin parts.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

While the doc/README.NetConsole does have a snippet for people to
create their own netcat script, it's a lot easier to make a simple
dedicated script and tell people to use it.

Also spruce it up a bit to make it user friendly.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>