Match CYG_TTY_IN_FLAGS_* values in doc with source

[Andrew Lunn]

On Thu, Dec 23, 2004 at 05:46:12PM +0100, Peter Korsgaard wrote:
> Hi,
> 
> The following little patch updates the io/tty documentation to use the
> same values for the CYG_TTY_IN_FLAGS_{ECHO,BINARY} defines as in the
> source code.
> 

Thanks for the patch,

        Committed,
                Andrew