Only one serial driver package for AIM 711

[John Dallaway]

Roland Caßebohm wrote:

> First I have made three packages which I thought are needed 
> to support the two different serial driver needed by AIM 
> 711.
> 
> This patch makes one package which uses cdl_component to 
> include the two different serial driver.
> This is needed because there has been problems with 
> ecosadmin.tcl if multiple packages are in one directory.

I have added ChangeLogs and checked this in. Thank you.

John Dallaway
eCosCentric Limited